# TCDS 1A10: Piper Aircraft Inc.

- Type: Type certificate data sheet
- Status: Current
- Holder: Piper Aircraft Inc.
- Revision: 53
- Revised: September 15, 2021
- Product: Aircraft, Small Airplane
- Certification basis: CAR 3
- Registered aircraft: 1,267, by the registry models matched to it (OpenAirDocs)
- Data sheet PDF: https://openairdocs.org/files/sha256/1c/60/1c60d33f38b811ad062a778db40aa3c026a8364b1f0843d8d20fad65790a7e89
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/8242D8D5EBC205EE862587510074D710.0001
- Page: https://openairdocs.org/tcds/1A10

## Models (6)

As the data sheet lists them.

- PA-23-250
- PA-23-160
- PA-23-235
- PA-E23-250
- PA-23-250 (Navy UO-1)
- PA-23

## What the data sheet says

Some pages are OCR from the scanned FAA data sheet. OCR can misread letters and numbers.

```text
Page No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 
Rev. No. 53 53 49 49 49 49 49 49 52 52 52 52 52 52 52 52 52 52 52 52 52 46 46 46 46 
Page No 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 
Rev. No. 46 49 52 52 52 52 52 52 52 52 52 52 46 49 49 49 49 49 51 
 
DEPARTMENT OF TRANSPORTATION 
FEDERAL AVIATION ADMINISTRATION 
 
1A10 
 Revision 53 
Piper Aircraft, Inc 
 
PA-23 
PA-23-160 
PA-23-235 
PA-23-250 
PA-23-250(Navy UO-1) 
PA-E23-250 
 
September 15, 2021 
 
 
AIRCRAFT SPECIFICATION NO. 1A10 
 
Type Certificate Holder Piper Aircraft, Inc. 
 2926 Piper Drive 
 Vero Beach, Florida  32960 
 
Type Certificate Holder Record The New Piper Aircraft, Inc transferred TC 1A10 to Piper Aircraft, Inc on August 7, 
2006. 
 
I. - Model  PA-23, Approved January 29, 1954, 4 PCLM  (Normal Category) or 5 PCLM  (Normal Category) when Item 605, 
609 or 613 is installed. 
 
Engines 2 Lycoming O-320 Series ( Item 113A) 
 (Carburetor setting No. 10-3678-11, 10-3678-12 or 10-3678-32) 
 
Fuel 80/87 minimum grade aviation gasoline 
 
Engine Limits All operations, 2700 r.p.m.  (150 hp) 
 
Airspeed Limits Vne Never exceed 208 mph (181 knots) 
(CAS) Vno Maximum structural cruise 165 mph (143 knots) 
 Vle Landing gear extended 125 mph (109 knots) 
 Vp Maneuvering 124 mph (108 knots) 
 Vfe Flaps extended 100 mph (87 knots) 
 
Center of Gravity Range (+94.0) to (+100.0) at 3500 lb. 
(Gear Extended) (+88.5)  to (+100.0) at 2450 lb. or less 
 Straight line variation between points given. 
 (Moment due to retracting of landing gear - 760 in.-lb.) 
 
Empty Weight C. G. Range None 
 
Maximum Weight 3500 lb. 
 See NOTE 3 for eligibility at 3800 lb. 
 
No. of Seats 4 (2 at +89, 2 at +126.5) 
 5 (2 at +89, 2 at +126.5, 1 at +150) when Item 605, 609 or 613 is installed. 
 
Maximum Baggage 200 lb.  at (+150) (Rear compartment) 
 See NOTE 2 for baggage with rear seat removed. 
  30 lb. at (+150) (Rear compartment) when Item 605, 609 or 613 installed.

1A10 Page 2 of 54 
 
Fuel Capacity 72 gallons at (+113) (One 36 gallon tank in each wing) 
 See Item 107 for auxiliary fuel tanks. 
 
Oil Capacity 4 gallons at (+59)  (2 gallons in each engine) 
 
Control Surface  Main Surfaces Aileron  30° Up 15° Down 
Movements  Elevator 20° Up 15° Down 
  Rudder 30° Left 30° Right 
 Flaps    50° Down 
 Tabs (main surface in neutral)   
  Rudder 25° Left 25° Right 
 
Serial Numbers Eligible 23-1 through 23-1182 (except 23-1177).  (See NOTE 3 for S/N eligible for 3,800 lb.) 
 
Required Equipment In addition to the pertinent required basic equipment specified in CAR 3, the following 
items of equipment must be installed: 
 Items 1(a), 2(a), 3(a), 101(a), 102(a), 103(a), 105(a), 106(a), 201(a), 202(a), 205(a), 206, 
301(a), 302(a), and 401(a). 
 
II. - Model PA-23-160, Approved October 14, 1957,  4 PCLM  (Normal Category) or 5 PCLM  (Normal Category) when  
 Item 609 or 613 is installed. 
 
Engines 2 Lycoming O-320 Series (Item 113B) 
 (Carburetor setting No. 10-3678-11, 10-3678-12 or 10-3678-32) 
 
Fuel 91/96 minimum grade aviation gasoline 
 
Engine Limits For all operations, 2700 r.p.m.  (160 hp) 
 
Airspeed Limits Vne Never exceed 227 mph (197 knots) 
(CAS) Vno Maximum structural cruise 180 mph (156 knots) 
 Vp Maneuvering 130 mph (113 knots) 
 Vle Landing gear extended   
  S/N 23-1177, 23-1183 through 23-1773,  
  23-1775 through 23-1870: 125 mph (109 knots) 
  S/N 23-1774, 23-1871 through  
23-2046: 
 
150 mph 
 
(130 knots) 
 Vfe Flaps extended   
  S/N 23-1177, 23-1183 through 23-1773,  
  23-1775 through 23-1870: 100 mph         (87 knots) 
  S/N 23-1774, 23-1871 through  
23-2046: 
 
125 mph 
 
(109 knots) 
 
Center of Gravity Range (+95.0) to (+100.0) at 3800 lb. 
(Gear Extended) (+89.0)  to (+100.0) at 2650 lb. or less 
 Straight line variation between points given. 
 (Moment due to retracting of landing gear - 760 in. -lb.) 
 
Empty Weight C. G. Range None 
 
Maximum Weight  3,800 lb. 
 
No. of Seats 4 (2 at +89, 2 at +126.5) 
  5 (2 at +89, 2 at +126.5, 1 at +150) when Item 609 or 613 is installed. 
 
Maximum Baggage 200 lb. at (+150) (Rear compartment) 
 See NOTE 2 for baggage with rear seats removed. 
  30 lb. at (+150) (Rear compartment) when Item 609 or 613 is installed. 
 
Fuel Capacity 72 gallons at (+113) (One 36 gallon tank in each wing)

Page 3 of 54 1A10 
 See Item 107 for auxiliary fuel tanks. 
 
Oil Capacity 4 gallons  at (+59) (2 gallons each engine) 
 
Control Surface Movements Main Surfaces Aileron  30° Up 15° Down 
  Elevator 20° Up 15° Down 
  Rudder 30° Left 30° Right 
 Flaps    50° Down 
 Tabs (main surface in neutral)      
  Rudder 25° Left 25° Right 
 
Serial Numbers Eligible 23-1177, 23-1183 through 23-2046. 
 
Required Equipment In addition to the pertinent required basic equipment specified in CAR 3, the following 
items of equipment must be installed: 
 Items 1(b), 2(a), 3(a), 101(a), 102(a), 103(b), 105(b), 106(a), 110, 201(b), 202(a), 205(a), 
206, 301(a), 302(a), and 401(p). 
 
III. - Model PA-23-250 (Navy UO-1), Approved September 18, 1959;  5 PCLM  (Normal Category) or 6 PCLM  (Normal 
Category), Approved December 15, 1961, when Item 603(b) is installed. 
 
Engines 2 Lycoming O-540 series or IO-540 series  (Eligible only on S/N 27-2000 through  
 27-4916, and 27-7304917 through 27-7554168) (See Item 113C) 
 
Fuel 91/96 minimum grade aviation gasoline 
 
Engine Limits For all operations, 2575 r.p.m.  (250 hp) 
 
Airspeed Limits Vne Never exceed 249 mph (216 knots) 
(CAS) Vno Maximum structural cruise 198 mph (172 knots) 
 Vle Landing gear extended 150 mph (130 knots) 
 Vp Maneuvering   (4,800 lb.) 145 mph (126 knots) 
 Vp Maneuvering   (5,200 lb.) 149 mph (129 knots) 
 Vfe Flaps extended  (Full down) 125 mph (109 knots) 
    
  On S/N 27-2505 through 27-4916, and  
27-7304917 through 27-7554168 when Item 625 
is installed: 
 
 Vfe Flaps extended (¼ down) 160 mph (139 knots) 
 Vfe Flaps extended (½ down) 140 mph (122 knots) 
 
Center of Gravity Range (+98.0) to (+100.5) at 4,800 lb. 
(Gear Extended) (+92.5) to (+100.5) at 4,300 lb. 
 (+85.7) to (+100.5) at 3,200 lb. or less 
  
 S/N 27-2505 through 27-4916, and 27-7304917 through 27-7554168 (See required 
equipment list for operation at 5,200 lb.) 
(See NOTE 5 for eligibility for extended C.G. range): 
 (+99.0) to (+100.5) at 5,200 lb. 
 (+97.0) to (+100.5) at 5,000 lb. 
 (+85.7) to (+100.5) at 3,200 lb. or less 
 Straight line variation between points given. 
 (Moment due to retracting of landing gear - 760 in.-lb.) 
 
Empty Weight C. G. Range None 
 
 Maximum Weight 4,800 lb. 
  S/N 27-2505 through 27-4916, and 27-7304917 through 27-7554168: 
 5,200 lb. - Takeoff  (See required equipment list for operation at 5,200 lb.) 
  4,940 lb. - Landing

1A10 Page 4 of 54 
Maximum Weight Maximum permissible weight with zero fuel: 
(continued) S/N 27-1 through 27-1999: 4,000 lb. 
 S/N 27-2000 through 27-4916, and  
27-7304917 through 27-7554168: 
 
4,400 lb. (Normally aspirated) 
 S/N 27-2505 through 27-4916, and  
27-7304917 through 27-7554168: 
 
4,500 lb. (Turbocharged) 
 
No. of Seats 5 (2 at +89, 2 at +126.5, 1 at +150) for S/N 27-1 through 27-1999 
 6 (2 at +89, 2 at +126.5, 2 at +157) for S/N 27-2000 through 27-4916, and  
  27-7304917 through 27-7554168. 
 
Maximum Baggage 200 lb. at (+150) (rear compartment) for S/N 27-1 through 27-1999 
 150 lb. at (+10) (forward 
compartment) 
for S/N 27-2000 through 27-4916, and 
27-7304917 through 27-7554168 
 150 lb. at (+183) (rear compartment) for S/N 27-2000 through 27-4916, and 
27-7304917 through 27-7554168. 
 
Fuel Capacity 144 gallons at (+113) (4 tanks, 2 in each wing, each tank 36 gallons) 
 See NOTE 1 for unusable fuel data. 
 
Oil Capacity 6 gallons at (+55) (3 gallons each engine) 
 
Control Surface Main Surfaces Aileron  30° Up 15° Down 
Movements  Stabilator (L.E.) 9° Up 9° Down 
  Rudder 30° Left 35° Right 
 Flaps    50° Down 
 Tabs (main surface in neutral)    
  Rudder 25° Left 19° Right 
  Stabilator 8° Up 3° Down 
  Stabilator * 5° Up 6° Down 
 *  S/N 27-4426, 27-4574 through 27-4916, and 27-7304917 through 27-7554168 
 See NOTE 4 for rudder and stabilator balance weights. 
 
Serial Numbers Eligible 27-1 through 27-4916, and 27-7304917 through 27-7554168. 
 See NOTE 6 and NOTE 9 for airworthiness certification eligibility in the United States. 
 
 Required Equipment In addition to the pertinent required basic equipment specified in CAR 3, the following 
items of equipment must be installed, 
  S/N 27-1 through 27-1999: 
 Items 1(e); 2(d); 3(b); 101(b) or 101(c); 102(b); 103(d); 105(c); 106(a); 201(c); 202(b) or 
202(c); 205(b); 206; 301(c); 302(a) or 302(b); 304(b), 304(c) or 304(e); 401(t); 601(c) or 
601(d); and 612. 
 
 S/N 27-2000 through 27-2504: 
 Items 1(e); 2(d); 3(b); 101(b), 101(c) or 101(d); 102(b) or 102(c); 103(d); 105(c), 105(d), 
105(f) or 105(h); 106(a); 201(c); 202(b) or 202(e); 205(b); 206; 301(d); 302(b) or 302(c); 
304(b), 304(e) or 304(f); 401(z), 601(c) or 601(d), 603(b), and 612. 
 
 S/N 27-2505 through 27-3836, 27-3838 through 27-3943 at 4,800 lb. Maximum Weight: 
 Items 1(i); 2(e); 3(c); 101(f); 102(e) or 102(f); 103(e); 105(h); 106(e), 106(f) or 106(g); 
114; 201(c); 202(b) or 202(c); 205(b); 206; 302(c); 304(b) or 304(e); 305; 401(aq); 
601(c); 603(b); 608(c); 612, and 614. 
 
 S/N 27-2505 through 27-3836, 27-3838 through 27-3943 at 5,200 lb. Maximum Weight: 
 Items 1(i) or 1(j); 2(e); 3(c); 101(f); 102(f) or 102(g); 103(e); 105(h) or 105(i); 106(e), 
106(f), 106(g) or 106(h); 114; 201(c) or 201(d); 202(b) or 202(c); 205(b); 206; 302(c); 
304(b) or 304(e); 305(a); 401(ax); 601(c); 603(b); 608(c); 612; 614(a); 617; and 618.

Page 5 of 54 1A10 
Required Equipment (cont) S/N 27-3837, 27-3944 through 27-4425, 27-4427 through 27-4573: 
 Items 1(i) or 1(j); 2(e); 3(c); 101(f); 102(f) or 102(g); 103(e); 105(h) or 105(i); 106(e), 
106(g) or 106(h); 114; 201(d); 202(b) or 202(c); 205(b); 206; 302(c); 304(b) or 304(e); 
305(b); 401(bv); 601(c); 603(b); 608(c); 612; 614(b); 617; and 618. 
 
 S/N 27-4426, 27-4574 through 27-4916, and 27-7304917 through 27-7305134: 
 Items 1(m) or 1(o); 2(e); 3(d); 101(f); 102(f); 103(e); 104(c); 105(i); 106(h); 114(a); 
201(d); 202(b) or 202(c); 205(b); 206; 302(c); 303(f); 304(b), 304(e) or 306(a); 305(b); 
401(c1); 601(c); 603(b); 608(c); 612(b); 617; and 618. 
 
 S/N 27-7305135 through 27-7554168: 
 Items 1(o); 2(e) or 2(f); 3(d); 101(f); 102(f); 103(e); 104(c); 105(i); 106(h); 114(a); 
201(d); 202(b) or 202(c); 205(b); 206; 302(c); 303(f); 305(b); 306(b); and 401(c1). 
 
 
IV. - Model PA-23-235, 5 PCLM  (Normal Category), Approved January 22, 1962. 
Same as Model PA-23-250, 5 PCLM, except for powerplants. 
 
Engines 2 Lycoming O-540 series (Item 113D) 
 Carburetor Setting No. IO-4057-1 or IO-4404 
 
Fuel 80/87 minimum grade aviation gasoline 
 
Engine Limits All operations, 2575 r.p.m.  (235 hp) 
 
Airspeed Limits Vne Never exceed 249 mph (216 knots) 
(CAS) Vno Maximum structural cruise 198 mph (172 knots) 
 Vle Landing gear extended 150 mph (130 knots) 
 Vp Maneuvering 145 mph (126 knots) 
 Vfe Flaps extended  (Full down) 125 mph (109 knots) 
    
 When Item 625 is installed:   
 Vfe Flaps extended (¼ down) 160 mph (139 knots) 
 Vfe Flaps extended (½ down) 140 mph (122 knots) 
 
Center of Gravity Range 
(Landing Gear Extended) (+98.0) to (+100.5) at 4,800 lb. 
 (+92.5) to (+100.5) at 4,300 lb. 
 (+85.7) to (+100.5) at 3,250 lb. or less 
 Straight line variation between points given. 
 (Moment due to retracting of landing gear -760 in.-lb.) 
 
Empty Weight C. G. Range None 
 
Maximum Weight 4,800 lb. 
 
No. of Seats 5 (2 at +89, 2 at +126.5, 1 at +150) 
 
Maximum Baggage 200 lb. at (+150) (Rear compartment) 
 
Fuel Capacity 144 gallons at (+113) (4 tanks, 2 in each wing, each tank 36 gallons) 
 See NOTE 1 for unusable fuel data. 
 
Oil Capacity 6 gallons at (+55) (3 gallons each engine)

1A10 Page 6 of 54 
Control Surface Main Surfaces Aileron  30° Up 15° Down 
Movements  Stabilator (L.E.) 9° Up 9° Down 
  Rudder 30° Left 35° Right 
 Flaps    50° Down 
 Tabs (main surface in neutral)    
  Rudder 25° Left 19° Right 
  Stabilator 8° Up 3° Down 
 See NOTE 4 for rudder and stabilator balance weights. 
 
Serial Numbers Eligible 27-505 through 27-622. 
 
Required Equipment In addition to the pertinent required basic equipment specified in CAR 3, the following 
items of equipment must be installed: 
 Items 1(e), 2(d), 3(b), 101(b), 102(b), 103(d), 105(c), 106(a), 201(c), 202(b) or 202(c), 
205(b), 206, 301(d), 302(a), 304(b) or 304(e), 401(ac), 601(c), and 612. 
 
 
V. - Model PA-E23-250, 6 PCLM, (Normal Category), Approved June 21, 1965. 
 
Engine 2  Lycoming IO-540 series (See Item 113C) 
 
Fuel 91/96 min. grade aviation gasoline 
 
Engine Limits For all operations, 2575 r.p.m.  (250 hp) 
 
Airspeed Limits Vne Never exceed 249 mph (216 knots) 
(CAS) Vno Maximum structural cruise 198 mph (172 knots) 
 Vle Landing gear extended 150 mph (130 knots) 
 Vp Maneuvering 145 mph (126 knots) 
 Vfe Flaps extended  (Full down) 125 mph (109 knots) 
 When Item 625 is installed:   
 Vfe Flaps extended (¼ down) 160 mph (139 knots) 
 Vfe Flaps extended (½ down) 140 mph (122 knots) 
 
Center of Gravity Range (+97.0) to (+100.5) at 4,995 lb. 
(Gear Extended) See NOTE 5 for eligibility for extended C. G. Range. 
 (+85.7) to (+100.5) at 3,250 lb. or less 
 Straight line variation between points given. 
 Moment due to retracting of landing gear - 760 in.-lb. 
 
Empty Weight C. G. Range None 
 
Maximum Weight 4,940 lb. - Landing 
 4,995 lb. - Takeoff 
 Maximum permissible weight with zero fuel: 
 4,400 lb. (Normally aspirated)  
 4,500 lb. (Turbocharged) 
 
No. of Seats 6 (2 at +89, 2 at +126.5, 2 at +157)

Page 7 of 54 1A10 
Maximum Baggage 150 lb. at (+10) (forward compartment) 
 150 lb. at (+183) (rear compartment) 
 
Fuel Capacity 144 gallons at (+113) (4 tanks, 2 in each wing, each tank 36 gallons) 
 See NOTE 1 for unusable fuel data. 
 
Oil Capacity 6 gallons at (+55) (3 gallons each engine) 
 
Control Surface Movements Main Surfaces Aileron  30° Up 15° Down 
  Stabilator (L.E.) 9° Up 9° Down 
  Rudder 30° Left 35° Right 
 Flaps    50° Down 
 Tabs (main surface in neutral)     
  Rudder 25° Left 19° Right 
  Stabilator 8° Up 3° Down 
 See NOTE 4 for rudder and stabilator balance weights. 
 
Serial Numbers Eligible 27-2505 through 27-4916, and 27-7304917 through 27-7554168.  For S/N 27-7654001 
 through 27-8154030, see Section VI. 
 See NOTE 9 for airworthiness certification eligibility in the United States. 
 
Required Equipment In addition to the pertinent required basic equipment specified in CAR 3, the following 
items of equipment must be installed: 
 S/N 27-2505 through 27-3836, 27-3838 thorough 27-3943: 
 Items 1(i) or 1(j); 2(e); 3(c); 101(f); 102(f) or 102(g); 103(e); 105(h) or 105(i); 106(e), 
106(f), 106(g) or 106(h); 114; 201(c) or 201(d); 202(b) or 202(c); 205(b); 206; 302(c); 
304(b) or 304(e); 305(a); 401(bh); 601(c); 603(b); 608(c); 612; 614(a); 617; and 618. 
 
 S/N 27-3944 through 27-4425, 27-4427 through 27-4573: 
 Items 1(i) or 1(j); 2(e); 3(c); 101(f); 102(f) or 102(g); 103(e); 105(h) or 105(i); 106(e), 
106(g) or 106(h); 114; 201(d); 202(b) or 202(c); 205(b); 206; 302(c); 304(b) or 304(e); 
305(b); 401(ca); 601(c); 603(b); 608(c); 612; 614(b); 617; and 618. 
 
 S/N 27-4574 through 27-4916, and 27-7304917 through 27-7554168: 
 Items 1(i) or 1(j); 2(e); 3(c); 101(f); 102(f); 103(e); 104(c); 105(i); 106(e) or 106(h); 
114(a); 201(d); 202(b) or 202(c); 205(b); 206; 302(f); 304(b), 304(e) or 306(b); 401(cm); 
601(c); 603(b); 608(c); 612; 617; and 618. 
 
 
VI. - Model PA-23-250, 6 PCLM, (Normal Category), Approved January 21, 1975. 
Same as Model PA-23-250 (6 PCLM), S/N 27-2505 through 27-4916, and 27-7304917 through 27-7554168, at 5,200 lb. 
maximum weight except required equipment. 
 
Engines 2 Lycoming I-540 series (See Item 113C) 
 
Fuel 91/96 minimum grade aviation gasoline 
 
Engine Limits All operations 2575 r.p.m.  (250 hp) 
 
Airspeed Limits Vne Never exceed 249 mph (216 knots) 
(CAS) Vno Maximum structural cruise 198 mph (172 knots) 
 Vle Landing gear extended 150 mph (130 knots) 
 Vp Maneuvering 149 mph (129 knots) 
 Vfe Flaps extended  (full down) 125 mph (109 knots) 
 Vfe Flaps extended (¼ down) 160 mph (139 knots) 
 Vfe Flaps extended (½ down) 140 mph (122 knots)

1A10 Page 8 of 54 
Center of Gravity Range (+99.0) to (+100.5) at 5,200 lb. 
( Gear Extended) (+97.0) to (+100.5) at 5,000 lb. 
 (+87.6) to (+100.5) at 3,540 lb. or less 
 Straight line variation between points given. 
 See NOTE 8 for eligibility for extended C. G. range. 
 Moment due to retraction of landing gear is - 760 in.-lb. 
 
Empty Weight C.G. Range None 
 
Maximum Weight 5,200 lb. - Takeoff 
 4,940 lb. - Landing 
 Maximum permissible weight with zero fuel: 
     4,400 lb. (normally aspirated) 
     4,500 lb. (turbocharged) 
 
No. of Seats 6 (2 at +89, 2 at +126.5, 2 at +157) 
 
Maximum Baggage 150 lb. at (+10) (forward compartment) 
 150 lb. at (+183) (rear compartment) 
 
Fuel Capacity 144 gallons at (+113) (4 tanks, 2 in each wing, each tank 36 gallons) 
 (Each tank 34.3 gallons usable) 
 See NOTE 1 for unusable fuel data. 
 See Item 107(b) for optional fuel tanks. 
 
Oil Capacity 6 gallons at (+55) (3 gallons each engine) 
 
Control Surface Main Surfaces Aileron  30° Up 15° Down 
Movements  Stabilator (L.E.) 9° Up 9° Down 
  Rudder 30° Left 35° Right 
 Flaps    50° Down 
 Tabs (Main Surfaces Neutral) 
 S/N 27-7654001 through 27-7854083, 27-7854085 through 27-8054000: 
 Stabilator 3° 30' (+30', -0') (T. E. Up) 9° 30 ( 1°) (T. E Down) 
 S/N 27-7854084, 27-8054001 through 27-8154030: 
 Stabilator 5°       ( 30')    (T. E. Up) 6° ( 1°) (T. E Down) 
 NOTE:  Stabilator-flap trim interconnect must be rigged so that 50° of down flaps result 
in a stabilator trim tab position of 3.5°(T.E. Up). 
  Rudder 25° Left 19° Right 
 See NOTE 7 for Balance Requirements. 
 
Serial Numbers Eligible 27-7654001 through 27-8154030. 
 See NOTE 9 for airworthiness certification eligibility in the United States. 
 
Required Equipment In addition to the pertinent required basic equipment specified in CAR 3, the basic 
following items of equipment must be installed: 
 Items 1(o); 2(f); 3(d); 101(g); 102(f); 103(g); 104(c), 104(d), 104(e) or 104(f); 105(j); 
106(h); 201(f); 202(b) or 202(c); 205(c); 206(a); 302(d); 305(c); 307; 401(db); 603(b); 
608(d); 612(b); 614(c); and 617.

Page 9 of 54 1A10 
Specifications Pertinent to All Models 
 
Datum 80 inches ahead of the wing leading edge outboard of tapered sections. 
 
Leveling Means Level from two rivnuts located right side of fuselage under stabilizer. 
 
Certification Basis Type Certificate No. 1A10 (CAR 3, dated November 1, 1949, including Amendments  
 3-1 through 3-9, dated December 15, 1952) 
  
 S/N 27-2505 through 27-4916, and 27-7304917 through 27-8154030: 
 CAR 3.242(a) as amended by Amendment 3-14, dated March 13, 1956, superseding 
original CAR 3.242. 
  
Production Basis Approved for manufacture of spare parts only under Production Certificate Number 206. 
 
Equipment A plus (+) or minus (-) sign preceding the weight of an item indicates net weight  change 
when that item is installed.  Approval for the installation of all items of equipment listed 
herein has been obtained by the aircraft manufacturer except those items preceded by an 
asterisk (*).  The asterisk denotes that approval has been obtained by someone other than 
the aircraft manufacturer.  An item marked with an asterisk may not have been 
manufactured under an FAA monitored or approved quality control system, and therefore 
conformity must be determined if the item is not identified by an  FAA Form 8130-3, 
FAA-PMA or other evidence of FAA production approval. 
 
 
   PA-23, 
PA-23-160 
PA-23-235, PA-E23-250 
PA-23-250,  
PA-23-250(NAVY UO-1) 
Propellers and Propeller Accessories 
1. Two full feathering, constant speed propeller installations    
 (a) Hartzell HC-82XG-2 with 7636D blades (Not eligible for Models 
PA-23 or PA-23-160, S/N 23-1068, and 23-1152 through 23-2046). 
Pitch settings at 30 in. station: Low 10°, High 80.5° (feathered).
 Diameter:  Not over 76 inches, not under 74.5 inches. 
63 lb. ea. (+35) ---- 
     
 (b) Hartzell HC-82XG-2B with 7636D-4 blades. Pitch settings at 30 in 
station: Low 12°, High 80° (feathered). Diameter: Not over 72 
inches, not under 70 inches. Item 401(j) required with Model PA-23 
only. 
63 lb. ea. (+35) ---- 
     
 (c) Hartzell HC-82XL-2B with 7636D-4 blades. Pitch settings at 30 in 
station: Low 12°, High 80° (feathered). Diameter:  Not over 72 
inches, not under 70 inches. Item 401(j) required with Model PA-23 
only. 
63 lb. ea. (+35) ---- 
     
 (d) Hartzell HC-82XL-2C with 7636D-4 blades. Pitch settings at 30 in  
        station: Low 12°, High 80° (feathered). Diameter:  Not over 72 
inches, 
        not under 70 inches. Item 401(j) required with Model PA-23 only. 
63 lb. ea. (+35) ---- 
     
 (e) Hartzell HC-82XK-2C1 with 8433-10 blades. Pitch settings at 30 in  
        station: Low 15.5°, High 80° (feathered). Diameter:  Not over 74  
        inches, not under 73 inches. Not eligible on Model PA-23-250,  
        S/N 27-2505 through 27-4916, and 27-7304917 through 27-
8154030. 
66 lb. ea. ---- (+29)

1A10 Page 10 of 54 
   PA-23, 
PA-23-160 
PA-23-235, PA-E23-250 
PA-23-250,  
PA-23-250(NAVY UO-1) 
Propellers and Propeller Accessories (continued) 
 
 (f)    Hartzell HC-A2XK-2 with 8433-10 blades.   
Pitch settings at 30 in station: Low 15.5°, High 80° (feathered). 
 Diameter:  Not over 74 inches, not under 73 inches. 
 Not eligible on Model PA-23-250, S/N 27-2505 through 27-4916, 
 and 27-7304917 through 27-8154030. 
66 lb. ea. ---- (+29) 
 
 (g)   Hartzell HC-A2XL-2 with 7636D-4 blades.   
Pitch settings at 30 in station: Low 12°, High 80° (feathered). 
 Diameter:  Not over 72 inches, not under 70 inches. 
63 lb. ea. (+35) ---- 
 
 (h)   Hartzell HC-A2XL-2 with 8433B-10 blades (24-v system. only). 
        Pitch settings at 30 in station: Low 15.5°, High 80° (feathered). 
 Diameter:  Not over 74 inches, not under 73 inches. 
 Item 401(w) and NOTE 2 (p) placard required. 
 Eligible only on Model PA-23-250, S/N 27-1 through 27-1999. 
 
67.5 lb. 
ea. 
---- (+29) 
 
 (i)    Hartzell HC-E2YK-2RB with 8465-7R blades. 
  Pitch settings at 30 in station: Low 14.5°, High 80° (feathered). 
 Diameter:  Not over 77 inches, not under 76 inches. 
 Eligible only on Models PA-23-250 and PA-E23-250, S/N 27-2505  
 through 27-4916, and 27-7304917 through 27-8154030. 
 Not eligible when Item 113C(g), 113C(h), or 113C(i) is installed.   
 Not to be intermixed with Item 1(l), 1(m), or 1(o). 
58.5 lb. 
ea. 
---- (+24) 
 
 (j)    Hartzell HC-E2YR-2RB with 8465-7R blades. 
 Pitch settings at 30 in. sta.: Low 14.5°, High 80° (feathered). 
 Diameter:  Not over 77 inches, not under 76 inches. 
 Eligible only on Models PA-23-250 and PA-E23-250, S/N 27-2505 
 through 27-4916, and 27-7304917 through 27-8154030. 
 Not eligible when Item 113C(g), 113C(h), or 113C(i) is installed.   
 Not to be intermixed with Item 1(l), 1(m), or 1(o). 
 
58.5 lb. 
ea. 
---- (+24) 
 
 (k)   Hartzell HC-E2YR-2RB with 8465-7R blades. 
 Pitch settings at 30 in. station: Low 15.2°, High 80° (feathered). 
 Diameter:  Not over 77 inches, not under 76 inches. 
 Eligible only when 113C(g) is installed. 
 Not to be intermixed with Item 1(n) or 1(p). 
58.5 lb. 
ea.  
----- (+24) 
 
 (l)    Hartzell HC-E2YK-2RBS with 8465-7R blades. 
 Pitch settings at 30 in. station:  Low 14.5°, High 80° (feathered). 
 Diameter:  Not over 77 inches, not under 76 inches. 
 Eligible only on Models PA-23-250 and PA-E23-250, S/N 27-2505 
 through 27-4916, and 27-7304917 through 27-8154030. 
 Not eligible when Item 113C(g), 113C(h), or 113C(i) is installed.   
 Not to be intermixed with Items 1(i), 1(j), or 1(o). 
60.25 lb. 
ea.  
---- (+24) 
 
 (m)  Hartzell HC-E2YR-2RBS with 8465-7R blades. 
 Pitch settings at 30 in. station: Low 14.5°, High 80° (feathered). 
 Diameter:  Not over 77 inches, not under 76 inches. 
 Eligible only on Models PA-23-250 and PA-E23-250, S/N 27-2505 
 through 27-4916, and 27-7304917 through 27-8154030. 
 Not eligible when Item 113C(g), 113C(h), or 113C(i) is installed. 
 Not to be intermixed  with Items 1(i) or 1(j). 
60.25 lb. 
ea.  
----- (+24)

Page 11 of 54 1A10 
   PA-23, 
PA-23-160 
PA-23-235, PA-E23-250 
PA-23-250,  
PA-23-250(NAVY UO-1) 
Propellers and Propeller Accessories  (continued) 
 (n)   Hartzell HC-E2YR-2RBS with 8465-7R blades. 
  Pitch settings at 30 in station: Low 15.2°, High 80° (feathered). 
 Diameter:  Not over 77 inches, not under 76 inches. 
 Eligible only when Item 113C(g) is installed. 
 Not be intermixed with Item 1(k). 
60.25 lb. 
ea. 
---- (+24) 
 
 (o)   Hartzell HC-E2YR-2RBSF with F8465-7R blades. 
        Pitch settings at 30 in station:  Low 14.5°, High 80° (feathered). 
 Diameter:  Not over 77 inches, not under 76 inches. 
 Eligible only on Models PA-23-250 and PA-E23-250, S/N 27-2505 
 through 27-4916, and 27-7304917 through 27-8154030. 
 Not eligible when Item 113C(g) or 113C(i) is installed.   
 Not to be intermixed with Items 1(i) or 1(j). 
60.25 lb. 
ea. 
---- (+24) 
 
 (p)   Hartzell HC-E2YR-2RBSF with F8465-7 blades. 
        Pitch settings at 30 in. station: Low 15.2°, High 80° (feathered). 
 Diameter:  Not over 77 inches, not under 76 inches. 
 Eligible only when Item 113C(g) or 113C(i) is installed. 
 Not to be intermixed with Item 1(i), 1(j), 1(k), or 1(n). 
58.5 lb. 
ea. 
---- (+24) 
 
 (q) Hartzell HC-E2YR-2RBSF with F8465-7R blades.  
 Pitch settings at 30 in. station: Low 15.2°, High 80° (feathered). 
 Diameter:  Not over 77 inches, not under 76 inches. 
 Eligible only when Item 113C(g) or 113C(i) is installed. 
 Not to be intermixed with Item 
1(k).  
60.25 lb. 
ea. 
----- (+24) 
 (r) Hartzell HC-E2YR-2RBF with F8465-7R blades. 
 Pitch settings at 30 in. station: Low 15.2°, High 80° (feathered). 
 Diameter:  Not over 77 inches, not under 76 inches. 
 Eligible only when Item 113C(g) or 113C(i) is installed. 
 Not to be intermixed with Item 1(q). 
58.5 lb. 
ea. 
----- (+24) 
 
2. Two hydraulic governors 
 
   
 (a) Woodward hydraulic governor assembly 210080 3 lb. ea. (+68.5) ----- 
 
 (b) Hamilton Standard hydraulic governor assembly  
 Model 1012 per Hartzell Modification B2. 
 Not eligible for Models PA-23 or PA-23-160, S/N 23-1068, and  
 23-1152 through 23-2046. 
3 lb. ea. (+68.5) ----- 
 
 (c) Hartzell hydraulic governor assembly Model B-4-1 
 Not eligible for Model PA-23. 
4 lb. ea. (+68.5) ----- 
 
 (d) Hartzell hydraulic governor assembly Model B-4. 
  Not eligible on Model PA-23-250;  S/N 27-2505 through 27-4916, 
 and 27-7304917 through 27-8154030;  and Model PA-E23-250. 
4 lb. ea. ----- (+37) 
 
 (e) Hartzell hydraulic governor assembly Model F-6-5, F-8-5S or F-6-5A. 
  Eligible only on Model PA-23-250;  S/N 27-2505 through 27-4916, 
 and 27-7304917 through 27-8154030;  and Model PA-E23-250 
 equipped with standard deck engines. 
6 lb. ea. ----- (+37) 
 
 (f) Hartzell hydraulic governor assembly Model F-6-28, F-8-28, F-8-47  
        or F-8-47Z.  Eligible only on Model PA-23-250;  S/N 27-2505  
        through 27-4916, and 27-7304917 through 27-8154030;  and Model  
        PA-E23-250 when equipped with wide deck engines (Lycoming  
        engines having the Suffix "A" on the engine S/N such as L-XXXXX- 
        XXA). 
 
6 lb. ea. ------ (+37)

1A10 Page 12 of 54 
   PA-23, 
PA-23-160 
PA-23-235, PA-E23-250 
PA-23-250,  
PA-23-250(NAVY UO-1) 
Propellers and Propeller Accessories  (continued) 
3. Two propeller spinners 
 
   
 (a) Hartzell spinner dome C-888 and bulkhead adapter C-885. 3 lb. ea. (+35) ----- 
 (b) Piper spinner P/N 16443 and bulkhead P/N 16444. 
  Not eligible on Model PA-23-250;  S/N 27-2505 through 27- 
        4916, and 27-7304917 through 27-8154030;  and Model PA-E23- 
        250. 
3 lb. ea. (+35) (+29) 
 
 (c)  Piper spinner P/N 23818, cap assembly P/N 23819 and bulkhead  
       adapter.   Eligible only on Model PA-23-250;  S/N 27-2505  
       through 27-4916, and 27-7304917 through 27-8154030;  and  
       Model PA-E23-250 when Item 1(i), 1(j) or 1(k) is installed. 
4 lb. ea. ----- (+24) 
 (d) Piper spinner P/N 23818, cap assembly P/N 23819-4 and  
        bulkhead adapter.  Eligible only on Model PA-23-250;  S/N 27- 
        2505 through 27- 4916, and 27-7304917 through 27-8154030;   
        and Model PA-E23-250 when Item 1(l), 1(m), 1(n), 1(o), or 1(p)  
        is installed. 
4 lb. ea. ----- (+24) 
Engine and Engine Accessories 
101.  Fuel pumps - electric auxiliary    
 (a) Bendix Model 476087 (1 each engine). 2 lb. ea. (+89) ----- 
 (b) Bendix Model 478360 (1 each engine for PA-23, PA-23-160) 
 (2 each engine for PA-23-250 and PA-23-235). 
 Not eligible for use when Item 113C(d), 113C(e), 113C(f),  
        113C(g), 113C(h), or 113C(i) is installed. 
2 lb. ea. (+89) (+72) 
 (c) Bendix Model 480500 (2 each engine) (24v system. only). 
 Eligible only on Model PA-23-250. 
 Not eligible for use when Item 113C(d), 113C(e), 113C(f),  
 113C(g), 113C(h), or 113C(i) is installed. 
2 lb. ea. ----- (+72) 
 (d) Weldon Model 8110-A (1 each engine for Model PA-23-
250)    
 Eligible only when Item 113C(d) is installed. 
3 lb. ea. ----- (+90) 
 (e) Weldon Model 8001-B (1 each engine for Model PA-23-
250)    (24v system. only).  Eligible only when Item 113C(d) is 
installed. 
3 lb. ea. --- (+90) 
 (f) Weldon Model A8001-A, AA8001-A or B-8001-C 
    Piper P/N 33127  (1 each engine for Models PA-23-250 and 
PA-E23-250). 
 Eligible only when Item 113C(e), 113C(f), or 113C(g) is installed. 
3 lb. ea. ----- (+90) 
 (g) Piper P/N 33327  (1 each engine eligible and required for   
   
 Models PA-23-250 and PA-E23-250 equipped with Item 307). 
3 lb. ea. ----- (+90) 
102. Two fuel pumps - engine driven    
 (a) AC type AH No. 5594068 3 lb. ea. (+66) ----- 
 (b) AC type BF No. 5594605.  Not eligible with Item 113C(d),  
   
 113C(e), 113C(f), 113C(g), 113C(h), or 113C(i). 
4 lb. ea. ----- (+66) 
 (c) AC No. 5623467 (Lycoming P/N 74082).  Not eligible with Item 
    
 113C(d), 113C(e), 113C(f), 113C(g), 113C(h), or 113C(i). 
1.5 lb. 
ea. 
(+66) (+66) 
 (d) AC No. 5656880.  Not eligible with Item 113C(d), 113C(e), 
    
 113C(f), 113C(g), 113C(h), or 113C(i). 
1.5 lb. 
ea. 
(+66) (+66)

Page 13 of 54 1A10 
   PA-23, 
PA-23-160 
PA-23-235, PA-E23-250 
PA-23-250,  
PA-23-250(NAVY UO-1) 
Engine and Engine Accessories  (continued) 
 (e) AC No. 5656696A  (Lycoming P/N 73870) or AC No. 6440160 
  (Lycoming P/N 74999).  Required and eligible only  
 when Item 113C(d) is installed. 
2 lb. ea. ----- (+66) 
 
 (f) AC No. 5656999  (Lycoming P/N 75131) or AC No. 6440296 or  
  6440652  (Lycoming P/N 75247).  Required and eligible only 
when  
 Item 113C(e) or 113C(h) is installed. 
2 lb. ea. ----- (+66) 
 
 (g) Lear Siegler No. RG-17980.  Required and eligible only when 
Item  
 113C(f), 113C(g) or 113C(i) is installed. 
1.25 lb. 
ea. 
----- (+66) 
 (h) AC No. 6440174  (Lycoming P/N 75148) or AC No. 6440295 
    
 (Lycoming P/N 75246).  Not eligible when Item 113C(d), 
 113C(e), 113C(f) or 113C(h) is installed. 
1.25 lb. 
ea. 
----- (+66) 
103. Two oil radiators    
 (a) Harrison Model APO7AUO5-01.  (Bottom cowl assembly 
       
 No. 18610 required). 
 Not eligible for Models PA-23 or PA-23-160, S/N 23-1068, 23- 
        1152 through 23-2046. 
3 lb. ea. (+73) ----- 
 (b) Harrison Model APO7AUO6-02. 3 lb. ea. (+73) ----- 
 (c) Harrison Model APO7AUO6-03. 3 lb. ea. (+73) ----- 
 (d) Harrison Model APO9AUO6-
03.    
 Not eligible on Model PA-23-250;  S/N 27-2505 through 27- 
       4916, and 27-7304917 through 27-8154030;  and Model PA-E23- 
       250. 
3 lb. ea. ----- (+83) 
 (e) Harrison Model APO9AUO6-
02.      
 Eligible only on Model PA-23-250;  S/N 27-2505 through 27- 
        4916, and 27-7304917 through 27-8154030;  and Model PA-E23- 
        250.  Not eligible when Item 113C(g) or Item 113C(i) is installed. 
3 lb. ea. ----- (+66) 
 (f) Harrison Model AP13AUO6.  
      
 Eligible and required only when Item 113C(g) or Item 113C(i) is  
        installed. 
3 lb. ea. ----- (+70) 
 (g) Harrison Model APO9AUO6-04.  
      
 Not eligible when Item 113C(g) or 113C(i) is installed. 
 Eligible only on Model PA-23-250. 
3 lb. ea. ----- (+70) 
104. Vacuum Pump    
 (a) Pesco Model 3P-194-F type B-11 (One for Models PA-23 and 
       
 PA-23-160, two for Models PA-23-250 and PA-23-235). 
 Not eligible on Model PA-23-250;  S/N 27-2505 through 27- 
        4916, and 27-7304917 through 27-8154030;  and Model PA-E23- 
        250. 
4 lb. ea. (+65.5) (+66)

1A10 Page 14 of 54 
   PA-23, 
PA-23-160 
PA-23-235, PA-E23-250 
PA-23-250,  
PA-23-250(NAVY UO-1) 
Engine and Engine Accessories  (continued) 
104. (b) Garwin Model G-455L  (One for Models PA-23 and PA-23-
160,      
 two for Models PA-23-250 and PA-23-235).  Not eligible on  
        Model PA-23-250;  S/N 27-2505 through 27-4916, and 27- 
        7304917 through 27-8154030;  and Model PA-E23-250. 
4 lb. ea. (+65.5) (+66) 
 (c) Airborne Mechanisms Model 113A5 or 200CC  (One for Models 
       
 PA-23 and PA-23-160, two for Models PA-23-250, PA-23-235 
 and PA-E23-250). 
4 lb. ea. (+65.5) (+66) 
 (d) Airborne Mechanisms Model No. 211CC.  (Two for Models 
    
 PA-23-250 and PA-E23-250). 
1.8 lb. 
ea. 
----- (+66) 
 (e) Airborne Mechanisms Model No. 431CC7  (Two for Models 
    
 PA-23-250 and PA-E23-250). 
5.7 lb. 
ea. 
----- (+66.5) 
 (f) Airborne Mechanisms Model No. 441CC  (Two for 
Models  
  
 PA-23-250 and PA-E23-250). 
2.9 lb. 
ea. 
----- (+66.5) 
105. Two starters    
 (a) Delco-Remy Model 1109657 (Direct Drive)  
(12v).  
  
 Not eligible for Models PA-23 or PA-23-160, S/N 23-1068, and  
 23-1152 through 23-2046. 
17 lb. ea. (+48) ----- 
 (b) Delco-Remy Model 1109673 (geared) or 1109689  (12v). 18 lb. ea. (+48) ----- 
 (c) Delco-Remy Model 1109679 (geared 3.88:1) or 1109688  
(12v).  
  
 Not eligible for use with Items 113C(d), 113C(e), 113C(f),  
        113C(g), 113C(h), or 113C(i). 
18 lb. ea. ----- (+40) 
 (d) Delco Remy Model 1109695 (geared 3.38:1)  
(12v).  
  
 Eligible for use with Items 113C(a), 113C(b), or 113C(d). 
18 lb. ea. ----- (+40) 
 (e) Delco-Remy Model 1109696 (geared 3.38:1)  (24v system 
only).  
  
 Eligible only on S/N 27-1 through 27-1999. 
18 lb. ea. ----- (+40) 
 (f) Delco-Remy Model 1109504 (geared 3.38:1)  
(12v).  
  
 Eligible for use with Items 113C(a), 113C(b), or 113C(d). 
18 lb. ea. ----- (+40) 
 (g) Delco-Remy 1109505 (geared 3.38:1)  (24v system 
only).  
  
 Not eligible on Model PA-23-235;  Model PA-23-250,   
 S/N 27-2505 through 27-4916, and 27-7304917 through 27- 
        8154030;  or Model PA-E23-250. 
18 lb. ea. ----- (+40) 
 (h) Delco-Remy 1109511 (geared 3.38:1)  (12v).  Eligible for use   
        with Items 113C(a), 113C(b), 113C(d), 113C(e), or 113C(f). 
18 lb. ea. ---- (+40) 
 (i) Prestolite Model MZ-4206 (geared 3.38:1)  (12v).  Eligible for  
        use with Items 113C(e), 113C(f), 113C(g), and 113D(a). 
17 lb. ea. ---- (+40) 
 (j) Prestolite Model MHB-4001 (geared 3.38:1)  (28 v).  Eligible 
for    
 use with Item 113.C(h) or 113.C(i). 
18 lb. ea. ---- (+40) 
106. One hydraulic pump

Page 15 of 54 1A10 
 (a) New York Air Brake Model 
67BO25    
   
        Not eligible on Model PA-23-250, S/N 27-7654001 through 27- 
        8154030. 
2 lb. (+66) (+68.5) 
 (b) Pesco Model 012151-011-01 2 lb. (+66) -----

1A10 Page 16 of 54 
   PA-23, 
PA-23-160 
PA-23-235, PA-E23-250 
PA-23-250,  
PA-23-250(NAVY UO-1) 
Engine and Engine Accessories  (continued) 
106.  (c) Pesco Model 1P677 2 lb. (+66) ----- 
 (d) Pesco Model 012023-014 2 lb. (+66) ----- 
 (e) Pesco Model 012023-015 
 Not eligible on Model PA-23-250, S/N 27-7654001 through 27-   
        8154030. 
2 lb. ----- (+68.5) 
 
 (f) Pesco Model 1P677CCW (Karnish No. 4266) 
   Not eligible on Model PA-23-250, S/N 27-7654001 through 27- 
        8154030. 
2 lb. ----- (+68.5) 
 (g) Eastern Industries Model 1235 HBG, Type 
263      
 Not eligible on Model PA-23-250, S/N 27-7654001 through 27- 
        8154030. 
2 lb. ----- (+68.5) 
 (h) Eastern Industries Model 1233 HNG 284. 
      
 Eligible only on S/N 27-2505 through 27-4916, and 27-7304917 
 through 27-8154030. 
2 lb. ----- (+68.5) 
107. (a) Auxiliary fuel tanks - 36 gallons (one 18 gallon tank each wing 
    
 installed in accordance with Piper Dwg. 18623).  Item 401(f)  
 or 401(g) and NOTE 2(e) placard required. 
+18 lb. (+112) ---- 
 (b) 20 gallon tank in each wing tip, installed per Piper Dwg. 33826-
2    
 and 33826-3.  Eligible only on Model PA-23-250, S/N 27- 
        7654001through 27-8154030. 
+13.7 lb. ------ (+106.7) 
108. Auxiliary Vacuum Pump    
 (a) Pesco Model 3P-194-F, Type B-11 or Garwin Model G-455L 
    
 installed in accordance with Piper Dwg. 18639 or 19571.  Item  
 401(k) and NOTE 2(k) placard required. 
+10 lb. (+69) ----- 
 (b) Airborne Mechanisms Models 113A5 installed in accordance with 
 Piper Dwg. 19980.  Item 401(k) and NOTE 2(k) placard required. 
+10 lb. (+69) ----- 
109. Revised carburetor air heater installed per Piper Dwg. 18250, Revision 
AE. Not eligible for Models PA-23 and PA-23-160, S/N 23-1068, and 
  
23-1152 through 23-2046. 
Negligible 
Wt. 
Change 
Eligible ----- 
110. Hi-Temp carburetor heater installed per Piper Dwg. 18250, 
  
Revision AX or Piper Dwg. 18250, Revision BX. 
Negligible 
Wt. 
Change 
Eligible ----- 
111. Carburetor air box assemblies Piper P/N 19318-6 (left) and P/N 19318-
7(right) installed in accordance with Piper Dwg. 18250, Revision BJ.  
Not eligible for Models PA-23 or PA-23-160, S/N 23-1 through 23-
1067, and 23-1069 through 23-1151. 
Negligible 
Wt. 
Change 
Eligible ----- 
112. Ejector tube flange, Piper P/N 19146, installed in accordance with 
  
Piper Dwg. No. 17913, Revision 
CA.  
Not eligible for Models PA-23 or PA-23-160, S/N 23-1 through 23-
1067, and 23-1069 through 23-1151. 
Negligible 
Wt. 
Change 
Eligible -----

Page 17 of 54  1A10

1A10 Page 18 of 54 
   PA-23, 
PA-23-160 
PA-23-235, PA-E23-250 
PA-23-250,  
PA-23-250(NAVY UO-1) 
Engine and Engine Accessories  (continued) 
113. Engine (Lycoming)    
A. Model PA-23    
 (a) O-320-A1A Negligible 
Wt. 
Change 
Eligible ----- 
 (b) O-320-A1B Negligible 
Wt. 
Change 
Eligible ----- 
 (c) O-320-A3A Negligible 
Wt. 
Change 
Eligible ----- 
 (d) O-320-A3B Negligible 
Wt. 
Change 
Eligible ----- 
B. Model PA-23-160    
 (a)  O-320-B1A Negligible 
Wt. 
Change 
Eligible ----- 
 (b) O-320-B1B Negligible 
Wt. 
Change 
Eligible ----- 
 (c) O-320-B3A Negligible 
Wt. 
Change 
Eligible ----- 
 (d) O-320-B3B Negligible 
Wt. 
Change 
Eligible ----- 
 (e) O-320-C1A, Item 401(q) required Negligible 
Wt. 
Change 
Eligible ----- 
 (f) O-320-C1B, Item 401(q) required Negligible 
Wt. 
Change 
Eligible ----- 
 (g) O-320-C3A,. Item 401(q) required Negligible 
Wt. 
Change 
Eligible ----- 
 (h) O-320-C3B, Item 401(q) required Negligible 
Wt. 
Change 
Eligible ----- 
C. Models PA-23-250 and PA-E23-250    
 (a) O-540-A1B5.  Carburetor Setting No. 10-4057-1 or 10-
4404.  
 Not eligible on Model PA-23-250;  S/N 27-2505 through 27- 
        4916, and 27-7304917 through 27-8154030;  and Model PA-E23- 
        250. 
Negligible 
Wt. 
Change 
----- Eligible 
 (b) O-540-A1D5 (12v or 24v system).  Carburetor Setting 
  
 No. 10-4057-1 or 10-4404.  Not eligible on Model PA-23-250,  
        S/N 27-2505 through 27-4916, and 27-7304917 through 27- 
        8154030;  and Model PA-E23-250. 
Negligible 
Wt. 
Change 
----- Eligible 
 (c) O-540-A3D5  (24v system only).  Carburetor Setting 
Nos.  
 10-4057-1 or 10-4404.  Eligible only on Model PA-23-250, S/N  
        27-1 through 27-1999. 
Negligible 
Wt. 
Change 
----- Eligible 
 (d)    IO-540-C1B5 (12v or 24v system).  Bendix Fuel Injector No.  
        RSA-5AD1.  Installed in accordance with Piper Drawing No.  
        30980.  Items 101(d) or 101(e), 102(e), 401(ap), 608(c), 614 and  
        NOTE 2(t) placard required. 
 Items 402(f) or 402(h) only heater eligible with this installation. 
 Eligible on Model PA-23-250, S/N 27-2000 through 27-2504. 
Negligible 
Wt. 
Change 
----- Eligible

Page 19 of 54  1A10

1A10 Page 20 of 54 
   PA-23, 
PA-23-160 
PA-23-235, PA-E23-250 
PA-23-250,  
PA-23-250(NAVY UO-1) 
Engine and Engine Accessories  (continued) 
113C (e) IO-540-C4B5 (12v system only).  Bendix Fuel Injector No. RSA- 
        5AD1.  Installed in accordance with Piper Drawing No. 31470.  
         Items 402(f), 402(i) or 402(j) only heaters eligible with this  
         installation. 
 NOTES 2(t), 2(u), 2(v) placards required. 
 Eligible on Model PA-23-250, S/N 27-2505 through 27-4916,  
 and 27-7304917 through 27-7554168;  and Model PA-E23-250. 
 Not eligible on Model PA-23-250, S/N 27-7654001 through 27- 
        8154030. 
Negligible 
Wt. 
Change 
----- Eligible 
 (f) IO-540-C1B5 (12 v system only).  Bendix Fuel Injector No. RSA- 
        5AD1with AiResearch Turbocharger, STC No. SE22WE, dated  
        May 14, 1965.  Item 623 required. 
 Eligible on Model PA-23-250, S/N 27-2505 through 27-4916,  
 and 27-7304917 through 27-7554168;  and Model PA-E23-250. 
 Not eligible on Model PA-23-250, S/N 27-7654001 through 27- 
        8154030. 
Negligible 
Wt. 
Change 
----- Eligible 
 (g) TIO-540-C1A (12 v system only).  Bendix Fuel Injector No.    
        RSA-5AD1 installed in accordance with Piper Drawing No.  
        32330.  
 Item 402(i) or 420(j) are only heaters eligible with this  
        installation. 
 NOTES 2(t), 2(u), 2(ac) and 2(ad) placards required. 
 Eligible on Model PA-23-250, S/N 27-3837, 27-3944 through 27- 
        4916, and 27-7304917 through 27-7554168;  and Model PA-E23- 
        250. 
 Not eligible on Model PA-23-250, S/N 27-7654001 through 27- 
        8154030. 
Use actual 
Wt. & 
Arm 
----- Eligible 
 (h)    IO-540-C4B5 (28 v system only).  Bendix Fuel Injector No. 
        RSA-5AD1  
 Item 402(k) only heater eligible with this 
installation.  
 NOTES 2(t) and 2(v) placards required. 
 Eligible on Models PA-23-250 and PA-E23-250 when        
        equipped with Item 307. 
Use actual 
Wt. & 
Arm 
----- Eligible 
 (i) TIO-540-C1A (28 v system only).  Bendix Fuel Injector No.  
        RSA-5AD1 installed in accordance with Piper Drawing 32330-5.   
        Item 402(k) is only heater eligible with this installation.   
        NOTES 2(t), 2(u), 2(ac), and 2(ad) placards required. 
 Eligible on Model PA-23-250, S/N 27-4426, 27-4574 through 27- 
        4916, and 27-7304917 through 27-8154030. 
Use actual 
Wt. & 
Arm 
----- Eligible 
D. Model PA-23-235    
 (a) O-540-B1A5 Negligible 
Wt. 
Change 
----- Eligible 
114.  Two Induction Air Filters    
 (a) Piper P/N 32198.  (Eligible only when Item 113C(e) or 113C(h) 
is installed).  
.5 lb. ea. ----- (+74) 
 
 (b) Piper P/N 26874.  (Eligible only when Item 113C(g) or 113C(i) is 
 installed). 
1 lb. ea. ----- (+66) 
115.  Two Oil Filters    
 A. C. Full Flow and Adapter Assembly Kit (A.C. P/N 5578941: 
Lycoming P/N 75528).  Eligible only when Item 113C(e), 113C(f), 
113C(g),  113C(h), 113C(i), or 113D is installed. 
1.77 lb. 
ea. 
----- (+67)

Page 21 of 54 1A10 
   PA-23, 
PA-23-160 
PA-23-235, PA-E23-250 
PA-23-250,  
PA-23-250(NAVY UO-1) 
Landing Gear 
201. Two Main wheel-brake assemblies, 6.00-6, Type III    
 (a) Goodrich Model G-14-
891    
 Wheel Assembly G-3-787 or G-3-880 
 Brake Assembly G-2-622 
 Not eligible for Models PA-23 and PA-23-160, S/N 23-1068, 23- 
        1152 through 23-2046. 
10 lb. ea. (+114.5) ----- 
 (b) Cleveland
    
 Wheel Assembly Model 3060 or 3080A 
 Brake Assembly Model 3000-500 
11 lb. ea. (+114.5) ----- 
 (c) Cleveland
    
 Wheel Assembly Model 3080B only with Brake Assembly 
 Model 37-200. 
 Not eligible on Models PA-23-250 and PA-E23-250, S/N 27- 
        7654001 through 27-8154030. 
15 lb. ea. ----- (+114.5) 
 (d) Cleveland
    
 Wheel Assembly Model 3080C or 3080D only with Brake  
         Assembly Model 37-200A. 
 Not eligible on Models PA-23-250 and PA-E23-250, S/N 27- 
        7654001 through 27-8154030. 
15 lb. ea. ----- (+114.5) 
 (e) Cleveland 
        Wheel Assembly Model 3080B-1 only with Brake Assembly  
        Model 37-200-2. 
 Not eligible on Models PA-23-250 and PA-E23-250, S/N 27- 
        7654001 through 27-8154030. 
15 lb. ea. ----- (+114.5) 
 
 (f) Cleveland 
        Wheel Assembly Model 40-131 with Brake Assembly Model 30- 
         96. 
15 lb. ea. ----- (+114.5) 
 
202. Two Main Tires    
 (a) 6-ply rating, Nylon, 7.00-6 Type III, with regular tubes 12 lb. ea. (+114.5) ----- 
 (b) 8-ply rating, Nylon 7.00-6 Type III, with regular tubes (heavy  
        duty) 
13 lb. ea. ----- (+114.5) 
 (c) 8-ply rating, Nylon 7.00-6 Type III, with regular tubes 11 lb. ea. ----- (+114.5) 
205. One nose wheel, 6.00-6 Type III    
 (a) Cleveland
    
 Wheel Assembly C-38500H (Less Brake drum Model DHB-3). 
5 lb. (+24.5) ----- 
 (b) Cleveland
   
   
 Wheel Assembly 38501. 
 Not eligible on Model PA-23-250, S/N 27-7654001 through 27- 
        8154030. 
5 lb. (+24.5) (+24.5) 
 (c) Cleveland
      
 Wheel Assembly 40-76(B) 
3.8 lb. (+24.5) (+24.5) 
206. One nose wheel tire    
 (a) 4-ply rating, 6.00-6 Type III, with regular tube 9 lb. (+24.5) (+24.5) 
 (b) 6-ply rating, 6.00-6 Type III, with regular 
tube    
 (See NOTE 5 and NOTE 7). 
9.3 lb. ----- (+24.5)

1A10  Page 22 of 54

Page 23 of 54 1A10 
   PA-23, 
PA-23-160 
PA-23-235, PA-E23-250 
PA-23-250,  
PA-23-250(NAVY UO-1) 
Electrical Equipment 
301. Generators    
 (a) One 35 amp. generator, Delco-Remy, 12v, with bracket. 18 lb. (+45) ----- 
 (b) Dual 35 amp. generators, Delco-Remy, 12v, with brackets and  
        
relays  
  
 (Item 401(c) or (d) required with this installation). 
23 lb. (+52) ----- 
 (c) One 50 amp. generator, 12v, Delco-Remy No. 1101915 with   
        regulator, Delco-Remy No. 119246 and brackets. 
18 lb. (+45) ----- 
 (d) Dual 50 amp. generator, 12v, Delco-Remy No. 1101915 with  
        regulator, Delco-Remy No. 1119246, brackets and relays. 
 Not eligible on Model PA-23-250, S/N 27-2505 through 27-4916,  
        and 27-7304917 through 27-8154030;  and Model PA-E23-250. 
41 lb. (+49) (+44) 
 (e) Dual 25 amp. generator, 24v, Delco-Remy No. 1101905 with 
        regulator, Delco-Remy 118976, bracket and relays (24v system    
        only). 
 Eligible only on Model PA-23-250, S/N 27-1 through 27-1999. 
50 lb. ----- (+44) 
 (f) Dual 50 amp. generators, 24v, Delco-Remy No. 1105055 with  
        regulator Delco-Remy No. 1119656, bracket and relays (24v  
        system only). 
 Not eligible on Model PA-23-235;  Model PA-23-250, S/N 27- 
        2505 through 27-4916, and 27-7304917 through 27-8154030;   
        and Model PA-E23-250. 
55 lb ----- (+44) 
302. Battery    
 (a) One Reading R-33 or Bowers B-34, 33 amp.-hr, 12 v; or  
 Reading R-35, 35 amp.-hr, 12v. 
 Not eligible on Model PA-23-250, S/N 27-2000 through 27-4916, 
        and 27-7304917 through 27-8154030. 
27 lb. (+40.5) (+40.5) 
 
 (b) Reading S-24, two 12v 24 amp.-hr. in series (24v system only).   
        Eligible only on Model PA-23-250, S/N 27-1 through 27-2504. 
43 lb. ----- (+29) 
 
 (c) One Reading R-35, 35 amp.-hr. or Bowers B-34, 33 amp.-hr. 12v   
        Eligible only on Model PA-23-250, S/N 27-2000 through 27- 
        4916, and 27-7304917 through 27-8154030;  and Model PA-E23- 
        250. 
27 lb. ----- (+34) 
 
 (d) One Gill No. 12-GCAB-9, 17 amp.-hr, 
24v.    
 Eligible only on Models PA-23-250 and PA-E23-250 when  
        equipped with Item 307. 
28 lb. ----- (+33.0) 
 (e) One Gill No. PS12-24, 25 amp.-hr., 24v. 
        Eligible on Model PA-23-250, S/N 27-7654001 through 27- 
        8154030. 
44 lb. ----- (+34) 
 
303. One Landing Light    
 (a) Model 4509 (100w). 2 lb. (+11.5) ----- 
 (b) Model 4522 (250w) per Piper Drawing 
19327.   
   
 Not eligible on Model PA-23-250, S/N 27-2000 through 27-4916,  
        and 27-7304917 through 27-8154030;  and Model PA-E23-250. 
2 lb (+11.5) (+11.5) 
 (c) Model 4533 (250w) per Piper Drawing 19327 (24v system only).  
        Eligible only on Model PA-23-250, S/N 27-1 through 27-1999. 
2 lb. ----- (+11.5) 
 (d) Model 4522 (25w) per Piper Drawing 30521. 
        Eligible only on Models PA-23-250 and PA-E23-250, S/N 27- 
        2000 through 27-4425, and 27-4427 through 27-4573. 
2 lb. ----- (-18.5)

1A10 Page 24 of 54 
 
  
 
   PA-23, 
PA-23-160 
PA-23-235, PA-E23-250 
PA-23-250,  
PA-23-250(NAVY UO-1) 
Electrical Equipment (Continued) 
303. (e) Model 4533 (250w) per Piper Drawing 31163 (24v system 
only).  
  
 Eligible only on Model PA-23-250, S/N 27-2000 through 27- 
        2504. 
2 lb. ----- (-18.5) 
 (f) Model 4522 (250w) per Piper Drawing 
33030.   
   
 Eligible only on Models PA-23-250 and PA-E23-250, S/N 
 27-4426, 27-4574 through 27-4916, and 27-7304917 through 27- 
        7554168. 
2 lb. ----- (-15.6) 
 (g) Model 4553 (250w) per Piper Drawing 33320 or 33650-2  
        (28v system only). 
2 lb ----- (-15.6) 
 
304. Rotating Beacon (See NOTE 4)    
 (a) Grimes No. D7080-1-12 or No. D7080A-1-12 installed in  
        accordance with Piper Drawing 18714 or 19681. 
2 lb. (+292) ----- 
 (b) Grimes No. D7080-1-12 or No. D7080A-1-12 installed in  
        accordance with Piper Drawing 16330, 30470, 31480, or 32664. 
 Not eligible on Model PA-23-250, S/N 27-7654001 through 27- 
        8154030. 
2 lb. ----- (+310) 
 
 (c) Grimes No. D7080-1-24 or No. D7080A-1-24 installed in  
        accordance with Piper Drawing 30090 (24v system only). 
 Eligible only on Model PA-23-250, S/N 27-1 through 27-1999. 
2 lb. ----- (+310) 
 (d) Whelen WRM-12 installed in accordance with Piper Drawing 
        19681. 
2 lb. (+292) ----- 
 (e) Whelen WRM-12 installed in accordance with Piper Drawing  
         16330, 30407, 31480, or 32664. 
 Not eligible on Model PA-23-250, S/N 27-7654001 through 27- 
        8154030. 
2 lb. ----- (+310) 
 (f) Whelen WRM-24 installed in accordance with Piper Drawing 
         31163 (24v system only).  
         Eligible only on Model PA-23-250, S/N 27-2000 through 27- 
         2504. 
2 lb. ----- (+310) 
 (g) Whelen WRM-24 installed in accordance with Piper Drawing  
        33320 (28v system only).   
        Not eligible on Model PA-23-250, S/N 27-7654001through 27- 
        8154030. 
2 lb. ----- (+310) 
305. Dual Alternators    
 (a) 12v, 70 amp. Delco-Remy 1100717 (Lycoming P/N 74319),      
        including relays and filers.  Eligible only on Model PA-23-250,  
        S/N 27-2505 through 27-3836, 27-3838 through 27-3943;  and  
        Model PA-E23-250, S/N 27-2505 through 27-3836, 27-3838 
        through 27-3943. 
32 lb. ----- (+37) 
 (b) 12v, 70 amp.  Prestolite P/N ALX 8403 (Lycoming P/N 78310), 
   
 including relays and filters.  Eligible on Models PA-23-250 and  
 PA-E23-250, S/N 27-3837, 27-3944 through 27-4916, and 27- 
        7304917 through 27-7554168. 
32 lb. ----- (+37) 
 (c) 28v, 70 amp.  Prestolite P/N ALU-8403  (Lycoming P/N 78314), 
   
 including relays and filters.  Eligible on Models PA-23-250 and  
 PA-E23-250 when equipped with Item 307. 
32 lb. ----- (+37)

Page 25 of 54 1A10 
 
   
 
  
 
  
  
 
  
   PA-23, 
PA-23-160 
PA-23-235, PA-E23-250 
PA-23-250,  
PA-23-250(NAVY UO-1) 
Electrical Equipment (Continued) 
306. Anti-Collision (Strobe)    
 (a) Installation of red anti-collision (strobe) light per STC SA615EA 
        and Piper Drawing 32940.  Eligible only on Model PA-23-250,  
        S/N 27-3837, 27-3944 through 27-4916, and 27-7304917 through  
        27-7554168;  and Model PA-E23-250, S/N 27-3944 through 27- 
       4916, and 27-7304917 through 27-7554168. 
5.1 lb. ----- (+237.6) 
 (b) Installation of white anti-collision (strobe) light per STC  
        SA800EA and Piper Drawing 32941.  Eligible only on Model 
        PA-23-250, S/N 27-3837, 27-3944 through 27-4916, and 27- 
        7304917 through 27-7554168;  and Model PA-E23-250, S/N 27- 
        3944 through 27-4916, and 27-7304917 through 27-7554168. 
4.2 lb. ----- (+92.9) 
 (c) Installation of red anti-collision (strobe) light per STC SA615EA  
        and Piper Drawing 32940-2 or 32940-3 (28v).  Eligible on  
        Models PA-23-250 and PA-E23-250 when Item 307 is installed.  
        Item 401(cl), 401(cm), or 401(db) required.  (See NOTE 4). 
5.1 lb. ----- (+237.6) 
 (d) Installation of white anti-collision (strobe) light per STC  
        SA800EA and Piper Drawing 32941-2 or 33650 (28v).  Eligible  
        on Models PA-23-250 and PA-E23-250 when Item 307 is  
        installed.  Item 401 (cl), 401(cm), or 401(db) required. 
4.2 lb. ----- (+92.9) 
307.  Installation of 28v electrical system per Piper Drawing 33320.  Eligible 
only on Model PA-23-250, S/N 27-3837, 27-3944 through 27-4916, 
and 27-7304917 through 27-7405476;  and Model PA-E23-250, S/N 
27-3944through 27-4916, and 27-7304917 through 27-7405476. 
Installation of 28v electrical system per Piper Drawing 33650-2.  
Eligible only on Model PA-23-250, S/N 27-7554001 through 27-
8154030. 
Use actual 
Wt. & 
Arm 
----- Eligible 
 
Interior Equipment 
401. (a) DMCR approved Airplane Flight Manual, Report No. 813, dated January 29, 1954, required for Model PA-23. 
 
 (b) DMCR approved Airplane Flight Manual, Report No. 832, dated June 29, 1954.  Required when Item 602 is  
  installed. 
 
 (c) DMCR approved Appendix I to Airplane Flight Manual, Report No. 813, dated September 14, 1954.  Required when  
  Item 301(b) is installed except with Item 602. 
 
 (d) DMCR approved Appendix I to Airplane Flight Manual, Report No. 832, dated September 14, 1954.  Required when  
  Items 301(b) and 602 are installed. 
 
 (e) DMCR approved Supplement to Airplane Flight Manual, Report No. 853, dated September 17, 1954.  Required when  
  Item 403(a), 403(b), or 403(c) is installed. 
 
 (f) DMCR approved Appendix II to Airplane Flight Manual, Report No. 813, dated December 27, 1954.  Required when  
  Item 107 is installed (without Item 602). 
 
 (g) DMCR approved Appendix II to Airplane Flight Manual, Report No. 832, dated December 27, 1954.  Required when  
  Items107 and 602 are installed.

1A10 Page 26 of 54 
 
 (h) DMCR approved Appendix III to Airplane Flight Manual, Report No. 813, dated April 1, 1955.  Required when Item  
  604(a) is installed (without Item 602).

Page 27 of 54 1A10 
Interior Equipment   (Continued) 
401. (i) DMCR approved Appendix III to Airplane Flight Manual, Report No. 832, dated April 1, 1955.  Required when  
  Items 604(a) and 602 are installed. 
 
 (j) DMCR approved Appendix IV to Airplane Flight Manual, Report No. 832, dated May 18, 1955.  Required when Item 
  1, Hartzell Propeller Model HC-82XG or HC-82XL, is installed. 
 
 (k) DMCR approved Appendix VI to Airplane Flight Manual, Report No. 832, dated September 16, 1955.  Required  
  when Item 108(a) or 108(b) is installed. 
 
 (l) DMCR approved Supplement to Airplane Flight Manual, Report No. 853, dated September 17, 1954.  Required when  
  Item 403(a), 403(b), or 403(c) and Item 108(a) are installed. 
 
 (m) DMCR approved Airplane Flight Manual including Supplement 1 through 8, dated September 1, 1955, for Model  
  PA-23.  This manual contains all information contained in Airplane Flight Manuals, Item 401(a) through 401(l), and 
  may be substituted for these manuals. 
 
 (n) DMCR approved Appendix IX to Airplane Flight Manual, Item 401(m), dated December 5, 1955.  Required when  
  Item 605, optional seat, is installed. 
 
 (o) DMCR approved Appendix X to Airplane Flight Manual, Item 401(m), dated April 18, 1957.  Required when Item  
  110 is installed. 
 
 (p) DMCR approved Airplane Flight Manual, Report No. 948, dated October 14, 1957, required for Model PA-23-160. 
 
 (q) DMCR approved Airplane Flight Manual, Report No. 985, dated May 2, 1958.  Required with Model PA-23  
  airplanes covered in NOTE 3 or Model PA-23-160 airplanes incorporated in Lycoming Service Letter L126. 
 
 (r) DMCR approved Supplement to Airplane Flight Manual, Report No. 1004, dated August 29, 1958.  Required  
  when Item 405 or Item 406(a) is installed.  Revision dated June 20, 1962, required when Course Selector 
  Directional Gyro is installed.  Course Selector Directional Gyro not eligible with Item 405. 
 
 (s) DMCR approved Supplement No. 11, dated September 30, 1958, to Airplane Flight Manual, Item 401(m). 
  Required when Item 611 is installed. 
 
 (t) DMCR approved Airplane Flight Manual, Report No. 1036, dated September 18, 1959, revised December 11,  1959, 
  required on Model PA-23-250, S/N 27-1 through 27-1999. 
 
 (u) DMCR approved Supplement No. 1 to Airplane Flight Manual, Report No. 1036, dated October 16, 1959. 
 
 (v) DMCR approved Supplement No. 2, dated August 2, 1960, to Airplane Flight Manual, Report No. 1036, dated  
  September 18, 1959.  Required when Item 604(b) is installed. 
 
 (w) DMCR approved Supplement No. 3, dated August 2, 1960, to Airplane Flight Manual, Report  No. 1036, dated 
  September 18, 1959.  Required when Item 501 is installed. 
 
 (x) DMCR approved Supplement No. 4, dated January 20, 1961, to Airplane Flight Manual, Report No. 1036, dated 
  September 18, 1959. 
 
 (y) DMCR approved Supplement No. 9, dated January 20, 1961, to Airplane Flight Manual, Report No. 948, dated  
  October 14, 1957. 
 
 (z) DMCR approved Airplane Flight Manual, Report No. 1204, dated December 15, 1961, required on Model 
  PA-23-250, S/N 27-2000 through 27-2504.

1A10 Page 28 of 54 
Interior Equipment   (Continued) 
 
401. (aa) DMCR approved Supplement No. 1, dated December 15, 1961, to Airplane Flight Manual, Report No.  
  1204.  Required when Item 406(b) is installed.  Revision dated June 20, 1962, required when Course Selector  
  Directional Gyro is installed. 
 
 (ab) DMCR approved Supplement No. 2, dated December 15, 1961, to Airplane Flight Manual, Report No. 1204.   
  Required when Item 408(b) is installed. 
 
 (ac) DMCR approved Airplane Flight Manual, Report No. 1207, dated January 22, 1962, required on Model  
  PA-23-235. 
 
 (ad) DMCR approved Supplement No. 1, dated January 22, 1962, to Airplane Flight Manual, Report  No. 1207. 
  Required when Item 406(a) is installed.  Revision dated June 20, 1962, required when Course Selector  
  Directional Gyro is installed. 
 
 (ae) DMCR approved Supplement No. 2, dated January 22, 1962, to Airplane Flight Manual, Report No. 1207.  
  Required when Item 408(a) is installed. 
 
 (af) DMCR approved Supplement No. 3, dated January 22, 1962, to Airplane Flight Manual, Report No. 1207.   
  Required when Item 604(b) is installed. 
 
 (ag) DMCR approved Supplement No. 4, dated August 13, 1962, to Airplane Flight Manual, Report No. 1207. 
  Required when Item 409(a) is installed. 
 
 (ah) DMCR approved Supplement No. 3, dated August 13, 1962, to Airplane Flight Manual, Report No. 1204. 
  Required when Item 409(b) is installed. 
 
 (ai) DMCR approved Supplement No. 10, dated October 1, 1962, to Airplane Flight Manual, Report No. 948. 
  Required when Item 409(a) is installed. 
 
 (aj) DMCR approved Supplement No. 5, dated October 1, 1962, to Airplane Flight Manual, Report No. 1036. 
  Required when Item 409(a) is installed. 
 
 (ak) DMCR approved Supplement No. 4, dated December 4, 1962, to Airplane Flight Manual, Report No. 1204. 
  Required when Item 410(b) is installed. 
 
 (al) DMCR approved Supplement No. 6, dated December 4, 1962, to Airplane Flight Manual, Report No. 1036. 
  Required when Item 410(a) is installed. 
 
 (am) DMCR approved Supplement No. 5, dated December 4, 1962, to Airplane Flight Manual, Report No. 1207. 
  Required when Item 410(a) is installed. 
 
 (an) DMCR approved Supplement No. 11, dated December 4, 1962, to Airplane Flight Manual, Report No. 948. 
  Required when Item 410(a) is installed. 
 
 (ao) DMCR approved Supplement, dated December 4, 1962, to Airplane Flight Manual, Report Nos. 813, 832, and 985. 
  Required when Item 410(a) is installed. 
 
 (ap) DMCR approved Supplement No. 5, dated February 1, 1963, to Airplane Flight Manual, Report No. 1204.  
  Required when Item 113.C(d) is installed.

Page 29 of 54 1A10 
Interior Equipment   (Continued) 
 
401. (aq) DMCR approved Airplane Flight Manual, Report No. 1308, dated March 23, 1964, revised  
  December 11, 1964, required on Model PA-23-250, S/N 27-2505 through 27-3943, for 4,800 lb. gross weight  
  configuration. 
 
 (ar) DMCR approved Supplement No. 1, dated March 23, 1964, revised August 14, 1964, to Airplane Flight Manual,  
  Item 401(aq).  Required when 410(b) is installed. 
 
 (as) DMCR approved Supplement No. 2, dated March 23, 1964, to Airplane Flight Manual, Item 401(aq).  Required 
  when Item 409(b) is installed. 
 
 (at) DMCR approved Supplement No. 3, dated March 23, 1964, revised January 12, 1965, to Airplane Flight  
  Manual, Item 104(aq).  Required when Item 502 is installed. 
 
 (au) DMCR approved Supplement No. 4, dated August 14, 1964, to Airplane Flight Manual, Item 401(aq).  Required  
  when Item 411(a) is installed. 
 
 (av) DMCR approved Supplement No. 6, dated January 7, 1965, to Airplane Flight Manual, Report No. 1207.   
  Required on Model PA-23-235 when Item 411(b) is installed. 
 
 (aw) DMCR approved Supplement No. 6, dated December 10, 1964, to Airplane Flight Manual, Report  
  No. 1204.  Required on Model PA-23-250, S/N 27-2000 through 26-2504 when Item 502 is installed. 
 
 (ax) DMCR approved Airplane Flight Manual, Report No. 1360, dated February 25, 1965.  Required with  
  Model PA-23-250, S/N 27-2505 through 27-3943, for 5,200 lb. gross weight configuration. 
 
 (ay) DMCR approved Supplement No. 1, dated February 25, 1965, to Airplane Flight Manual, Item 401(ax).   
  Required when Item 410(b) is installed. 
 
 (az) DMCR approved Supplement No. 2, dated February 25, 1965, to Airplane Flight Manual, Item 401(ax). 
  Required when Item 502, 503, or 504 is installed. 
 
 (ba) DMCR approved Supplement No. 3, dated February 25, 1965, to Airplane Flight Manual, Item 401(ax). 
  Required when Item 411(a) is installed. 
 
 (bb) DMCR approved Supplement No. 4, dated March 9, 1965, to Airplane Flight Manual, Item 401(ax). 
  Required when Item 622 is installed. 
 
 (bc) DMCR approved Supplement No. 5, dated March 9, 1965, to Airplane Flight Manual, Item 401(aq).  Required 
  when Item 622 is installed. 
 
 (bd) DMCR approved Supplement No. 7, dated March 9, 1965, to Airplane Flight Manual, Report No. 1207, for  
  Model PA-23-235, Item 401(ac).  Required when Item 621 is installed. 
 
 (be) DMCR approved Supplement No. 7, dated April 30, 1965, to Airplane Flight Manual, Report No. 1204, for  
  Model PA-23-250, S/N 27-2000 through 27-2504, Item 401(z).  Required when Item 604(c) is installed. 
 
 (bf) DMCR approved Supplement No. 6, dated April 30, 1965, to Airplane Flight Manual, Item 401(aq).  Required  
  when Item 604(c) is installed.

1A10 Page 30 of 54 
Interior Equipment   (Continued) 
 
401. (bg) DMCR approved Supplement No. 5, dated April 30, 1965, to Airplane Flight Manual, Report No. 1360,  
  for Model PA-23-250, S/N 27-2505 through 27-3943, Item 401(ax).  Required when Item 604(c) or 604(d) is  
  installed. 
 
 (bh) DMCR approved Airplane Flight Manual, Report No 1378, dated June 21, 1965, required on Model  
  PA-E23-250, S/N 27-2505 through 27-3943. 
 
 (bi) DMCR approved Supplement No. 1, dated June 21, 1965, to Airplane Flight Manual, Report No. 1378, for  
  Model PA-E23-250, Item 401(bh).  Required when Item 410(b) is installed. 
 
 (bj) DMCR approved Supplement No. 2, dated June 21, 1965, to Airplane Flight Manual, Report No. 1378, for 
  Model PA-E23-250, Item 401(bh).  Required when Item 502, 503, or 504 is installed. 
 
 (bk) DMCR approved Supplement No. 3, dated June 21, 1965, to Airplane Flight Manual, Report No. 1378, for 
  Model PA-E23-250, Item 401(bh).  Required when Item 411(a) is installed. 
 
 (bl) DMCR approved Supplement No. 4, dated June 21, 1965, to Airplane Flight Manual, Report No. 1378, for 
  Model PA-E23-250, Item 401(bh).  Required when Item 622 is installed. 
 
 (bm)DMCR approved Supplement No. 4, dated June 21, 1965, to Airplane Flight Manual, Report No. 1378, 
  for Model PA-E23-250, Item 401(bh).  Required when Item 604(c) or 604(d) is installed. 
 
 (bn) D.O.A. No. EA-1 approved Supplement No. 8, dated January 20, 1966, to Airplane Flight Manual, Report  
  No. 1207, for Model PA-23-235, Item 401(ac).  Required when Item 625 is installed. 
 
 (bo) D.O.A. No. EA-1 approved Supplement No. 7, dated January 20, 1966, to Airplane Flight Manual, Report  
  No. 1308, for Model PA-23-250, Item 401(aq).  Required when Item 625 is installed. 
 
 (bp) D.O.A. No. EA-1 approved Supplement No. 6, dated January 20, 1966, to Airplane Flight Manual, Report  
  No. 1360, for Model PA-23-250, Item 401(ax).  Required when Item 625 is installed. 
 
 (bq) D.O.A. No. EA-1 approved Supplement No. 6, dated January 20, 1966, to Airplane Flight Manual, Report  
  No. 1378, for Model PA-E23-250, Item 401(bh).  Required when Item 625 is installed. 
 
 (br) D.O.A. No. EA-1 approved Supplement No. 7, dated June 17, 1966, to Airplane Flight Manual, Report No. 
  1360, for Model PA-23-250, Item 401(ax).  Required when Item 412 is installed 
 
 (bs) D.O.A. No. EA-1 approved Supplement No. 8, dated June 17, 1966, to Airplane Flight Manual, Report  
  No. 1360, for Model PA-23-250, Item 401 (ax).  Required when Item 413 is installed. 
 
 (bt) D.O.A. No. EA-1 approved Supplement No. 7, dated June 17, 1966, to Airplane Flight Manual, Report  
  No. 1378, for Model PA-E23-250, Item 401(bh).  Required when Item 412 is installed. 
 
 (bu) D.O.A. No. EA-1 approved Supplement No. 8, dated June 17, 1966, to Airplane Flight Manual, Report  
  No. 1378, for Model PA-E23-250, Item 401(bh).  Required when Item 413 is installed. 
 
 (bv) D.O.A. No. EA-1 approved Airplane Flight Manual, Report No. 1520, dated June 21, 1968.  Required 
  for Model PA-23-250, S/N 23-3837, 27-3944 through 27-4573. 
 
 (bw) D.O.A. No. EA-1 approved Supplement No. 1, dated June 21, 1968, to Airplane Flight Manual, Item 401(bv).   
  Required when Item 502(b), 503(b), or 504(b) is installed.

Page 31 of 54 1A10 
Interior Equipment   (Continued) 
 
401. (bx) D.O.A. No. EA-1 approved Supplement No. 2, dated June 21, 1968, to Airplane Flight Manual, Item 401(bv).  
  Required when Item 604(e) is installed. 
 
 (by) D.O.A. No. EA-1 approved Supplement No. 3, dated June 21, 1968, to Airplane Flight Manual, Item 401(bv).   
  Required when Item 413(b) is installed. 
 
 (bz) D.O.A. No. EA-1 approved Supplement No. 4, dated June 21, 1968, to Airplane Flight Manual, Item 401(bv).   
  Required when Item 412(b) is installed. 
 
 (ca) D.O.A. No. EA-1 approved Airplane Flight Manual, Report No. 1521, dated June 21, 1968.  Required for 
  Model PA-E23-250, S/N 27-3944 through 27-4573. 
 
 (cb) D.O.A. No. EA-1 approved Supplement No. 1, dated June 21, 1968, to Airplane Flight Manual, Item 401(ca).  
  Required when Item 502(b), 503(b), or 504(b) is installed. 
 
 (cc) D.O.A. No. EA-1 approved Supplement No. 2, dated June 21, 1968, to Airplane Flight Manual, Item 401(ca).   
  Required when Item 604(e) is installed. 
 
 (cd) D.O.A.  No. EA-1 approved Supplement No. 3, dated June 21, 1968, to Airplane Flight Manual, Item 401(ca).  
  Required when Item 413(b) is installed. 
 
 (ce) D.O.A. No. EA-1 approved Supplement No. 4, dated June 21, 1968, to Airplane Flight Manual, Item 401(ca).  
  Required when Item 412(b) is installed. 
 
 (cf) D.O.A. No. EA-1 approved Supplement No. 5, dated September 13, 1968, to Airplane Flight Manual, Item  
  401(bv).  Required when Item 113C(g) is installed. 
 
 (cg) D.O.A. No. EA-1 approved Supplement No. 5, dated September 13, 1968, to Airplane Flight Manual, Item  
  401(ca).  Required when Item 113C(g) is installed. 
 
 (ch) D.O.A. No. EA-1 approved Supplement No. 6, dated June 13, 1969, to Airplane Flight Manual, Item 401(bv). 
  Required when Item 414 is installed. 
 
 (ci) D.O.A. No. EA-1 approved Supplement No. 6, dated June 13, 1969, to Airplane Flight Manual, Item 401(ca).   
  Required when Item 414 is installed. 
 
 (cj) D.O.A. No. EA-1 approved Supplement No. 7, dated September 29, 1969, to Airplane Flight Manual, Item  
  401(bv).  Required when Item 306(a) or 306(b) is installed. 
 
 (ck) D.O.A. No. EA-1 approved Supplement No. 7, dated September 29, 1969, to Airplane Flight Manual, Item 
  401(ca).  Required when Item 306(a) or 306(b) is installed. 
 
 (cl) D.O.A. No. EA-1 approved Airplane Flight Manual, Report No. 1630, dated January 21, 1970, including  
  Supplements 1 through 6.  Required on Model PA-23-250, S/N 27-4426, 27-4574 through 27-4916, and 27-7304917  
  through 27-7554168. 
 
 (cm) D.O.A. No. EA-1 approved Airplane Flight Manual, Report No. 1631, dated January 21, 1970, including  
  Supplements 1 through 6.  Required on Model PA-E23-250, S/N 27-4574 through 27-4916, and 27-7304917 through 
  27-7554168. 
 
 (cn) D.O.A. No. EA-1 approved Supplement No. 7, dated April 15, 1970, to Airplane Flight Manual, Item 401(cl). 
  Required when Item 415 is installed.

1A10 Page 32 of 54 
Interior Equipment   (Continued) 
 
401. (co) D.O.A. No. EA-1 approved Supplement No. 7, dated April 15, 1970, to Airplane Flight Manual, Item 401(cm).   
  Required when Item 415 is installed. 
 
 (cp) D.O.A. No. EA-1 approved Supplement No. 8, dated February 1, 1971, to Airplane Flight Manual, Item 401(cl). 
  Required when Item 416 is installed. 
 
 (cq) D.O.A. No. EA-1 approved Supplement No. 8, dated February 1, 1971, to Airplane Flight Manual, Item 401(cm). 
  Required when Item 416 is installed. 
 
 (cr) D.O.A. No. EA-1 approved Supplement No. 9, dated December 10, 1971, to Airplane Flight Manual, Item 401(cl). 
  Required when Item 417 is installed. 
 
 (cs) D.O.A. No. EA-1 Supplement No. 9, dated August 15, 1972, to Airplane Flight Manual, Item 401(cm).  Required  
  when Item 417 is installed. 
 
 (ct) D.O.A. No. EA-1 approved Supplement No. 10, dated November 7, 1972, to Airplane Flight Manual, Item 401(cl). 
  Required when Item 415 is installed. 
 
 (cu) D.O.A. No. EA-1 approved Supplement No. 10, dated November 7, 1972, to Airplane Flight Manual, Item 401(cm). 
  Required when Item 415 is installed. 
 
 (cv) D.O.A. No. EA-1 approved Supplement No. 11, dated November 7, 1972, to Airplane Flight Manual, Item 401(cl). 
  Required when Item 416 is installed. 
 
 (cw) D.O.A. No. EA-1 approved Supplement No. 11, dated November 7, 1972, to Airplane Flight Manual, Item 401(cm).  
  Required when Item 416 is installed. 
 
 (cx) D.O.A. No. EA-1 approved Supplement No. 12, dated October 1, 1974, to Airplane Flight Manual, Item 401(cl). 
  Required when Item 419 is installed. 
 
 (cy) D.O.A. No. EA-1 approved Supplement No. 12, dated October 1, 1974, to Airplane Flight Manual, Item 401(cm). 
  Required when Item No. 419 is installed. 
 
 (cz) D.O.A. No. EA-1 approved Supplement No. 13, dated October 1, 1974, to Airplane Flight Manual, Item 410(cl). 
  Required when Item 418 is installed. 
 
 (da) D.O.A. No. EA-1 approved Supplement No. 13, dated October 1, 1974, to Airplane Flight Manual, Item 401(cm). 
  Required when Item 418 is installed. 
 
 (db) D.O.A. No. EA-1 approved Airplane Flight Manual, Report No. 1948, dated October 1, 1975, including  
  Supplements 1 through 6.  Required for Model PA-23-250, S/N 27-7654001 through 27-8154030. 
 
 (dc) D.O.A. No. EA-1 approved Supplement No. 7, dated October 15, 1975, to Airplane Flight Manual, Item 401(db). 
  Required when Item No. 419 is installed.

Page 33 of 54 1A10 
  
   PA-23, 
PA-23-160 
PA-23-235, PA-E23-250 
PA-23-250,  
PA-23-250(NAVY UO-1) 
Interior Equipment (Continued) 
402. Heater    
 (a) Modified Stewart-Warner 979-B-
1 . 
  
 Not eligible for Models PA-23 or PA-23-160, S/N 23-1068,  
 23-1152 through 23-2046. 
18 lb (+33) ----- 
 (b) Modified Stewart-Warner 940-B12 per Piper Drawing 18864. 18 lb. (+33) ----- 
 (c) Modified Stewart-Warner 940-D12 per Piper Drawing 18864.  
  
  
 Not eligible on Model PA-23-250, S/N 27-2000 through 27-4916, 
 and 27-7304917 through 27-8154030;  Model PA-23-235;  or 
 Model PA-E23-250. 
18 lb. (+33) (+33) 
 (d) Modified Stewart-Warner 940-D24 per Piper Drawing 
18864 
   
 (24v system only). 
 Eligible only on Model PA-23-250, S/N 27-1 through 27-1999. 
18 lb. ----- (+33) 
 (e) Modified Stewart-Warner 940-DA12 per Piper Drawing 18864 or 
        30686.  
  
  
 Not eligible for use with Item 113C(d), 113C(e), 113C(f),  
        113C(g),  113C(h) or 113C(i). 
18 lb. (+33) (+33) 
 (f) Modified Stewart-Warner 940-DB12 or 940-K12 per Piper  
        Drawing 30980 or 30686.  Eligible for use only with Item 
        113C(d) or 113C(e), or Item 623 (12v system). 
18 lb. ----- (+33) 
 (g) Modified Stewart-Warner 940-DA24 per Piper Drawing 
30686 
   
 (24v system only). 
 Eligible only on Model PA-23-250, S/N 27-2000 through 27- 
        2504. 
18 lb. ----- (+33) 
 (h) Modified Stewart-Warner 940-DB24 per Piper Drawing 
30980 
   
 (24v system only).  Only heater eligible for use with Item 113C(d)  
 (24v system).  (Not eligible with any other engine). 
18 lb. ----- (+29) 
 (i) Janitrol B3040 per Piper Drawing 32134 (12v 
system). 
  
 Eligible on Model PA-23-250, S/N 27-3050, 27-3154 through  
 27-3836, 27-3838 through 27-3943;  and Model PA-E23-250,  
 S/N 27-3154 through 27-3943. 
26 lb. ----- (+29) 
 (j) Janitrol B3040 per Piper Drawing 32770 (12v system). 
   
 Eligible on Models PA-23-250 and PA-E23-250, S/N 27-3837,  
 27-3944 through 27-4916, and 27-7304917 through 27-7554168. 
26 lb. ----- (+29) 
 (k) Janitrol 43D65 or 43D65-1 per Piper Drawing 33320 or 33639-
3  
  
 (24v system). 
 Eligible on Models PA-23-250 and PA-E23-250 when equipped  
 with Item 307. 
26 lb. ----- (+29) 
403. Lear L-2B automatic pilot with following limits: 
Servo slip clutch torques (± 10% in.-lb.) Elevator, 20;  Rudder, 75; and  
Aileron, 25.  Servo Stall forces at pilot controls:  Rudder, 30 lb.;  
Elevator, 10 lb.; and Aileron, 9 lb.

1A10 Page 34 of 54 
 (a) Lear L-2B Autopilot, Altitude Control and 1350B Approach  
        Coupler installed according to Lear Drawing 701950 or Piper  
        Drawing 18759.  Item 301(b), 401(e), and NOTE 2(d) placard  
        required. 
104 lb (+114) -----

Page 35 of 54 1A10 
   PA-23, 
PA-23-160 
PA-23-235, PA-E23-250 
PA-23-250,  
PA-23-250(NAVY UO-1) 
Interior Equipment (Continued) 
403. (b) Lear L-2B Autopilot with Automatic Altitude Control installed  
        according to Lear Drawing 701950, or Piper Drawing 18759.    
        Items 301(b), 401(e), and NOTE 2(d) placard required. 
54 lb. (+156)  ----- 
 (c) Lear L-2B Autopilot installed according to Lear Drawing 701950 
    
 or Piper Drawing 18759.  Items 301(b), 401(e), and NOTE 2(d) 
 placard required. 
51 lb. (+154) ----- 
*404.   Mitchell Automatic Co-pilot Model AK046 in accordance with     
  Mitchell Industries Bulletin No. 112 (7-55).  (Mitchell Industries, Inc.,  
  Box 17, Municipal Airport, Mineral Wells, Texas). 
Use 
Actual 
Eligible ----- 
405. AutoControl Autopilot Installation, Mitchell AK067, installed in 
accordance with Piper Drawing 19548.  Item 401(r) and NOTE 2(j) 
placard required.   
Eligible on Models PA-23 and PA-23-160, S/N 23-1 through 23-1396, 
23-1398 through 23-1501.  Course Selector Directional Gyro not 
eligible with this installation. 
4.5 lb. (+58) ----- 
406. AutoControl Autopilot Installation, Mitchell AK067, installed in 
accordance with: 
   
 (a) Piper Drawing 19576.  Item 401(r) and NOTE 2(j) placard  
        required for Models PA-23 and PA-23-160, S/N 23-1397, 23- 
        1502 through 23-2046.  
 Item 401(u) and NOTE 2(j) placard required for Model PA-23- 
        250.  Model PA-23-250 installation in accordance with this  
        drawing eligible on S/N 27-1 through 27-1999.  Course Selector  
        Directional Gyro not eligible on Model PA-23-250, S/N 27-1  
        through 27-2504.  Item 401(ad) and NOTE 2(j) placard required  
        for Model PA-23-235.  Not eligible on Model PA-E23-250. 
4.5 lb. (+58) (+58) 
 (b) Piper Drawing 30601.  Item 401(aa) and NOTE 2(j) placard  
        required. Eligible only on Model PA-23-250, S/N 27-2000 
        through 27-
2504. N 27-2000 through 27-2504. 
4.5 lb. ----- (+58) 
407. AutoControl Autopilot Installation, Mitchell AK067, installed in 
   
   
accordance with Piper Drawing 30080.  Item 401(u) and NOTE 2(j) 
placard required (24v system only).  Course Selector Directional Gyro 
not eligible with this installation.  Eligible on Model PA-23-250, S/N 
27-1 through 27-1999, only. 
4.5 lb. ----- (+58) 
408. Altimatic Autopilot Installation, Mitchell AK081, installed in 
accordance with: 
   
 (a) Piper Drawing 30275.  Item 401(y) and NOTE 2(q) placards  
        required for Models PA-23 and PA-23-160, S/N 23-1502 through  
        23-2046.  Item 401(x) and NOTE 2(q) placards required for  
        Model PA-23-250. Model PA-23-250 installation in accordance  
        with this drawing eligible on S/N 27-1 through 27-1999, only. 
11 lb. (+57) (+57) 
 (b) Piper Drawing 30600.  Item 401(ab) and NOTE 2(q) placards  
        
required. 
   
 Eligible on Model PA-23-250, S/N 27-2000 through 27-2504,  
        only. 
11 lb. ----- (+57)

1A10 Page 36 of 54 
409. Altimatic Autopilot Installation, Mitchell AK090, installed in 
accordance with:

Page 37 of 54 1A10 
   PA-23, 
PA-23-160 
PA-23-235, PA-E23-250 
PA-23-250,  
PA-23-250(NAVY UO-1) 
Interior Equipment (Continued) 
409. (a) Piper Drawing 30992.  Item 401(ai) required for Models PA-23  
        and  PA-23-160, S/N 23-1502 through 23-2046.  Item 401(ag)  
        required for Model PA-23-235. Item 401(aj) required for Model  
        PA-23-250, S/N 27-1 through 27-1999.  NOTE 2(q) placards  
        required on all of the above models.  Only eligible on above listed  
        models. 
10 lb. (+59) (+59) 
 (b) Piper Drawing 31000.  Item 401(ah) and NOTE 2(q) placards  
        required for Model PA-23-250, S/N 27-2000 through 27-2504.  
        Item 401(as) and NOTE 2(q) placards required for Model PA-23- 
        250, S/N 27-2505 through 27-3943.  Only eligible on above listed 
        S/N. 
10 lb. ----- (+59) 
410. AutoControl II Autopilot Installation, Mitchell AK079-E, installed in 
accordance with: 
   
 (a) Piper Drawing 30989.  Item 401(ao) required for Model PA-
23.  
  
 Item 401(an) required for Model PA-23-160.  Item 401(am)  
        Required for Model PA-23-235.  Item 401(al) required for Model  
        PA-23-250, S/N 27-1 through 27-1999.  NOTE 2(s) placards  
        required on all of the above models.   
 Not eligible on Model PA-E23-250 or Model PA-23-250, S/N 27- 
       2000 through 27-4916, and 27-7304917 through 27-8154030. 
4.5 lb. (+57.5) (+57.5) 
 (b) Piper Drawing 30990.  Item 401(ak) and NOTE 2(s) placards  
        required for Model PA-23-250, S/N 27-2000 through 27-2504.   
        Item 401(ar) or 401(ay)  and NOTE 2(s) placards required for 
        Model PA-23-250, S/N 27-2505 through 27-3943.  Item 401(bi)  
        and NOTE 2(s) placards required for Model PA-E23-250. 
4.5 lb. ----- (+57.5) 
411. Altimatic II Autopilot Installation with Automatic Trim and Radio 
Coupling, Mitchell AK090 or AK151, installed in accordance with: 
   
 (a) Piper Drawing 31670.  Item 401(au) or 401(ba) or 401(bk) and 
   
 NOTE 2(x) placards required.  Eligible on Models PA-23-250 and  
 PA-E23-250, S/N 27-2505 through 27-3943, only. 
14.5 lb. -----  (+91.3) 
 (b) Piper Drawing 31968.  Item 401(av) and NOTE 2(x) placard  
        
required.  
  
 Eligible only on Model PA-23-235. 
14.5 lb. ----- (+91.3) 
412. Altimatic III Autopilot Installation with Automatic Trim and AutoFlite,  
installed in accordance with: 
   
 (a) Piper Drawing 32261.  Item 401(br) or 401(bt) and NOTE 2(ab) 
  
  
 placards required.  Eligible on Models PA-23-250 and PA-E23- 
       250,  S/N 27-2505 through 27-3943, only. 
18.9 lb. ----- (+89.2) 
 (b) Piper Drawing 32719.  Item 401(bz) or 401(ce) and NOTE 2(ab) 
  
  
 placards required.  Eligible on Models PA-23-250 and 
 PA-E23-250, S/N 27-3837, 27-3944 through 27-4916, and 
18.9 lb. ----- (+89.2)

1A10 Page 38 of 54 
 27-7304917 through 27-7554168, only. 
413. AutoControl III Autopilot Installation, installed in accordance with:    
 (a) Piper Drawing 32249.  Item 401(bs) or 401(bu) required.  
Eligible 
   
 on Models PA-23-250 and PA-E23-250, S/N 27-2505 through  
 27-3943, only. 
3.5 lb. ----- (+77.5) 
 (b) Piper Drawing 32749. Item 401(by) or 401(cd) required.  Eligible 
        on Models PA-23-250 and PA-E23-250, S/N 27-3837, 27-3944  
        through 27-4916, and 27-7304917 through 27-7554168, only. 
3.5 lb. ----- (+77.5)

Page 39 of 54 1A10 
   PA-23, 
PA-23-160 
PA-23-235, PA-E23-250 
PA-23-250,  
PA-23-250(NAVY UO-1) 
Interior Equipment (Continued) 
414. Altimatic IIIB Autopilot Installation with Automatic Trim and 
AutoFlite, installed in accordance with Piper Drawing 32862. Item 
401(ch), 401(ci), 401(cx), or 401(cy) and NOTE 2(ae) placards 
required.  Eligible on Models PA-23-250 and PA-E23-250, S/N 27-
3837, 27-3944 through 27-4916, and 27-7304917 through 27-7554168. 
18.9 lb. ----- (+89.2) 
415. Piper Altimatic V/FD or Altimatic V/FD-1 installed in accordance with  
Bendix STC No. SA429SO and Piper Drawing No. 33100.  Item 
401(cn) 401(co), 401(ct), 401(cu), or 410(db) required.  Eligible on 
Models PA-23-250 and PA-E23-250, S/N 27-4426, 27-4574 through 
27-4916, and 27-7304917 through 27-8154030, only. 
42.2 lb. ----- (+84.6) 
416. Piper Altimatic V or Altimatic V-1 Autopilot installed in accordance 
with Bendix STC No. SA429SO and Piper Drawing No. 33106.  Item 
401(cp),  401(cq), 401(cv), 401(cw), or 401(db) required.  Eligible on 
Models PA-23-250 and PA-E23-250, S/N 27-4426, 27-4574 27-4916, 
and 27-7304917 through 27-8154030, only. 
37.3 lb. ----- (+91.4) 
417. Altimatic IIIB-1 Autopilot Installation with Automatic Trim and 
AutoFlite installed per Piper Drawing No. 33233-2 (14v) or 33233-4 
(28v). Item 401(cr) or 401(cs) required.  Eligible on Models PA-23-250 
and PA-E23-250, S/N 27-4574 through 27-4916, and 27-7304917 
through 27-7554168, only. 
15 lb. ----- (+84.5) 
418. Altimatic IIIC Autopilot installed in accordance with Piper Drawing 
No. 15600 (28v).  Item 401(cz), 401(da), or 401(db) required.  Eligible 
on Models PA-23-250 and PA-E23-250, S/N 27-4426, 27-4574 through 
27-4916, and 27-7304917 through 27-8154030, only.  NOTE 2(ac) 
placard required. 
25 lb. ----- (+110) 
419. AutoControl IIIB Autopilot Installation installed in accordance with 
Piper Drawing No. 15710-2.  Item 401(cx), 401(cy) or 401(dc) 
required.  Eligible on Models PA-23-250 and PA-E23-250, S/N 27-
4426, 27-4574 through 27-4916, and 27-7304917 through 27-8154030, 
only. 
13.5 lb. ----- (+77.3) 
 Deicing Equipment (Propeller, Wing, and Windshield)    
501. Propeller deicer (B. F. Goodrich) installed in accordance with Piper 
Drawing  No. 30066.  Item 401(w) and NOTE 2(p) placard required 
(24v system only).  Eligible on Model PA-23-250, S/N 27-1 through 
27-1999, only. 
8 lb. ----- (+29) 
502. Heated Windshield Panel Installation in accordance with:    
 (a)    Piper Drawing No. 31687.  Item 401(at), 401(aw), 401(az), or    
        401(bj) required.  NOTE 2(w) placard required only as specified  
         in Item 401(at), 401(aw), 401(az), or 401(bj). 
2.5 lb. ----- (+59) 
 (b) Piper Drawing No. 31640.  Item 401(bw), 401(cb), 401(cl), or  
        401(cm) required.  NOTE 2(w) placard required only as specified  
         in Item 401(bw), 401(cb), 401(cl), or 401(cm). 
2.5 lb. -----  (+59) 
 c) Piper Drawing No. 31640-3 (28v system only).  Item 401(bw),  
       401(cb),401(cl), 401(cm), or 401(db) required.  NOTE 2(w)  
       placard required as specified in Item 401(bw), 401(cb), 401(cl),  
       401(cm), or 401(db). 
2.5 lb. ----- (+59)

1A10 Page 40 of 54 
   PA-23, 
PA-23-160 
PA-23-235, PA-E23-250 
PA-23-250,  
PA-23-250(NAVY UO-1) 
Deicing Equipment (Propeller, Wing, and Windshield)   (Continued) 
503. Pneumatic deicing equipment (B. F. Goodrich) installed in accordance 
with: 
   
 (a) Piper Drawing No. 32000 or B. F. Goodrich STC No. SA155EA.   
        Item 401(az), 401(bj) and Flight Manual Supplement, or B. F.  
        Goodrich Report No. 63-145 required.  Eligible on Models PA- 
        23-250 and PA-E23-250, S/N 27-2505 through 27-3836, and 27- 
        3838 through 27-3943, only. 
45.11 lb. ----- (+125.2) 
 (b) Piper Drawing No. 32735 or B. F. Goodrich STC No. SA155EA.   
        Item  401(bw), 401(cb), 401(cl), or 401(cm) and Flight Manual  
        Supplement, B. F. Goodrich Report No. 63-145 required.  Eligible  
        on Models PA-23-250 and PA-E23-250, S/N 27-3837, 27-3944  
        through 27-4916, and 27-7304917 through 27-7554168, only. 
45.41 lb. ----- (+125.2) 
 (c) Piper Drawing No. 32302 or B. F. Goodrich STC No. SA155EA. 
        Item  401(bw), 401(cb), 401(cl), or 401(cm), and Flight Manual  
        Supplement, B. F. Goodrich Report No. 63-145 required.  Eligible 
        on Models PA-23-250 and PA-E23-250, S/N 27-3837, 27-3944  
        through 27-4916, and 27-7304917 through 27-7554168, only. 
42.54 lb. ----- (+128.3) 
 (d) Piper Drawing No. 33435-3 and B. F. Goodrich STC No.  
        SA155EA.  Item 401(cl) or 401(cm) required.  Eligible on Models  
        PA-23-250 and PA-E23-250, S/N 27-4574 through 27-4916, and  
        27-7304917 through 27-7554168, only. 
22.4 lb. 
(less 
pumps) 
----- (+140) 
 (e) Piper Drawing No. 15695-2 or Airborne Mfg. Co. STC No.  
        SA667CE, revised March 14, 1975.  Item 401(cl) or 401(cm)  
        required.  Eligible on Models PA-23-250 and PA-E23-250, S/N  
        27-4426, 27-4574 through 27-4916, and 27-7304917 through  
        27-7554168, only. 
36 lb. ----- (+125.84) 
 (f) Piper Drawing No. 15585-2 and B. F. Goodrich STC No.  
        SA155EA.  Item 401(db) required.  Eligible on Model PA-23- 
        250, S/N 27-7654001through 27-8154030, only. 
19 lb. 
(less 
pumps) 
----- (+154.2) 
504. Electric propeller deicing equipment (B. F. Goodrich) installed in 
accordance with: 
   
 (a) Piper Drawing No. 32001 or B. F. Goodrich STC No. SA195EA.   
        Item 401(az) or 401(bj), and Flight Manual Supplement, B. F.  
        Goodrich Report No. 64-722, dated June 24, 1964, required.   
        Eligible on Models PA-23-250 and PA-E23-250, S/N 27-2505  
        through 27-3836, 27-3838 through 27-3943, only. 
12.98 lb. ----- (+42.66) 
 (b) Piper Drawing No. 32740 or B. F. Goodrich STC  No. SA195EA.   
         Item 401(bw), 401(cb), 401(cl), or 401(cm), and Flight Manual  
         Supplement, B. F. Goodrich Report No. 64-722, dated June 24,  
         1964, required.  Eligible on Models PA-23-250 and PA-E23-250, 
         S/N 27-3837, 27-3944 through 27-4916,and 27-7304917 through  
         27-7554168, only. 
12.98 lb. ----- (+42.66) 
 (c) Piper Drawing No. 32740-2 or B. F. Goodrich STC No. A195EA. 
        Item  401(cl), 401(cm), or 401(db), and Flight Manual  
        Supplement,  B. F. Goodrich Report No. 64-722, dated June 24,  
        1964 required.  Eligible on Models PA-23-250 and PA-E23-250,  
        S/N  27-4426, 27-4574 through 27-4916,and 27-7304917 through 
        27-8154030, only. 
12.9 lb. ----- (+42.7)

Page 41 of 54 1A10 
   PA-23, 
PA-23-160 
PA-23-235, PA-E23-250 
PA-23-250,  
PA-23-250(NAVY UO-1) 
Deicing Equipment (Propeller, Wing, and Windshield)   (Continued) 
505. Propeller ice shields installed in accordance with Piper Drawing 
  
  
No. 33498.  Eligible on Model PA-23-250, S/N 27-4426, 27-4574 
through 27-4916,and 27-7304917 through 27-8154030, only. 
2.8 lb. ----- (+24.4) 
Miscellaneous Equipment  (Not Listed Above) 
601. Heated pitot head    
 (a) Kollsman 373D-01, 12v per Piper Drawing 19024. 1 lb. (+129) ----- 
 (b) Aero Instrument No. PST-305, 12v per Piper Drawing 19024. 1 lb. (+129) ----- 
 (c) Aero Instrument No. PST-305, 12v per Piper Drawing 19024-2. 1 lb. ----- (+129) 
 (d) Aero Instrument No. PST-305, 24v per Piper Drawing 19024-
3   
  (24v system only).  Eligible on Model PA-23-250 only. 
1 lb. ----- (+129) 
602. Emergency gear extended (CO2 bottle).  Item 401(b) required with 
    
   
this installation (Model PA-23 only).  NOTE 2(c) placard required with  
this installation (all models).  Not eligible on Model PA-23-250, S/N 
27-8054001 through 27-8154030. 
2 lb. (+89) (+89) 
603. Emergency exit installed in accordance with:    
 (a) Piper Drawing SK-556. Negligible 
Wt. 
Change 
Eligible ----- 
 (b) Piper Drawing 30599, 31520, or 33764-2.  NOTE 2(r) placard  
        
required. 
   
 Eligible only on Model PA-23-250, S/N 27-2000 through 27- 
       4916, and 27-7304917 through 27-8154030, and Model PA-E23- 
       250, only. 
Negligible 
Wt. 
Change 
----- As Noted 
604. Oxygen equipment    
 (a) Scott Oxygen Console Model 8800 installed in accordance 
with  
  
 Piper Drawing 18683.  Item 401(i) and NOTE 2(f) placard  
        required.  (Eligible for installation only on Model PA-23 with  
        canvas sling type rear seat). 
32 lb. (+122) ----- 
 (b) Scott Oxygen Console Model 8800 installed in accordance 
with  
  
 Piper Drawing 30050.  Item 401(v) and NOTE 2(f) placard  
        required for Model PA-23-250.  On Model PA-23-250, eligible  
        only on S/N 27-1 through 27-1999. Item 401(af) and NOTE 2(f)  
        placard required for Model PA-23-235.  (Fifth seat at (+150) must 
        be removed).  Not eligible on Model PA-E23-250. 
35 lb. ----- (+149) 
 (c) Oxygen System installed in accordance with Piper Drawing  
        31980.  Item 401(bc), 401(bf), or 401(bg), or 401(bm) and NOTE 
        2(z) placards required.  Eligible only on Model PA-23-250, S/N  
48 lb. -----  (+179)

1A10 Page 42 of 54 
        27-2000 through 27-3049, and 27-3051 through 27-3153; and  
        Model PA-E23-250, S/N 27-2505 through 27-3049, and 27-3051  
        through 27-3153. 
 (d) Oxygen System installed in accordance with Piper Drawing   
        32140.  Item 401(bg) or 401(bm) and NOTE 2(z) placards  
        required.  Eligible only on Model PA-23-250, S/N 27-3050, 27-   
        3154 through 27-3836, and 27-3838 through 27-3943; and Model  
        PA-E23-250, S/N 27-3154 through 27-3943. 
48 lb. ----- (+161) 
 
 
   PA-23, 
PA-23-160 
PA-23-235, PA-E23-250 
PA-23-250,  
PA-23-250(NAVY UO-1) 
 Miscellaneous Equipment  (Continued) 
604. (e) Oxygen System installation in accordance with Piper Drawing  
        32388 or 33835-2.  Item 401(bx), 401(cc), 401(cl), 401(cm),  
        401(db) and NOTE 2(z) placard required.  Eligible only on Model  
        PA-23-250 S/N 27-3837, 27-3944 through 27-4916, and 27- 
        7304917 through 27-8154030;  and Model PA-E23-250, S/N 27- 
        3944 through 27-4916, and 27-7304917 through 27-8154030,  
        only. 
48 lb. ----- (+161) 
605. Optional seat installed in accordance with Piper Drawings 18868 and 
18920.  NOTE 2(g) and 2(h) placards and Item 401(n) required. 
27 lb. (+143) ------ 
606. Reclining seat installation, Piper P/N 18937 installed in accordance 
with Piper Drawings 18868 and 18920. 
14 lb. (+128) ------ 
607. Taxi light    
 (a) Installed in accordance with Piper Drawing 19170 or 30499. 2 lb. (+25) (+25) 
 (b) Installed in accordance with Piper Drawing 19170 or 31163 (24v  
        only).  Eligible on Model PA-23-250, only. 
2 lb. ----- (+25) 
 (c) Installed in accordance with Piper Drawing 30503 (14v), 33320 or 
 33650-2 (28v).  Eligible on Models PA-23-250 and PA-E23-250,  
        only. 
2 lb. ----- (+25) 
608. Dual cylinder head temperature gauge    
 (a) Installed in accordance with Piper Drawing 19194. 3 lb. (+80) ----- 
 (b) Installed in accordance with Piper Drawing 30950. 3 lb. ----- (+80) 
 (c) Installed in accordance with Piper Drawing 30120, 31480, 
or  
 32664.  Required and eligible only when Item 113C(d), 
  
 113C(e), or 113C(f) is installed. 
Negligible 
Wt. 
Change 
----- As Noted 
 (d) Gauge Assembly installed per Piper Drawing 33322 or 33649-
2  
 (28v only).  Required on Models PA-23-250 and PA-E23-
250  
 when Item 307 is installed. 
Negligible 
Wt. 
Change 
----- As Noted 
609. Fifth seat (Piper Drawing 19399) installed in accordance with Piper 
    
Drawing 19400.  NOTE 2(h) placard required. 
18 lb. (+150) ----- 
610. Reclining seat installation, Piper P/N 19463, installed in accordance 
with Piper Drawing 19400. 
14 lb. (+128) -----

Page 43 of 54 1A10 
611. Nacelle fairings, Piper P/N 19361 (left) and 19361-1 (right), installed in 
accordance with Piper Drawing 17913, Revision BP.  Item 401(s) 
required for Model PA-23, S/N 23-1 through 23-1163. 
Negligible 
Wt. 
Change 
Eligible ----- 
612. Stall Warning Indicator    
 (a) Safe Flight Model C-52207 Negligible 
Wt. 
Change 
----- Required 
 (b) Safe Flight Model C-52207-4 installed per Piper Drawing 
32425  
 (14v) or 32425-2 (28v). 
Negligible 
Wt. 
Change 
----- Required

1A10 Page 44 of 54 
   PA-23, 
PA-23-160 
PA-23-235, PA-E23-250 
PA-23-250,  
PA-23-250(NAVY UO-1) 
 Miscellaneous Equipment  (Continued) 
613. Fifth Seat (Piper Drawing 19724) installed in accordance with Piper 
Drawing 19739.  NOTE 2(h) placard required. 
18 lb. (+150) ----- 
614. Dual Fuel Flow Gage installed in accordance with:    
 (a) Piper Drawing 31084.  Required and eligible only when Item  
        113C(d), 113C(e), or 113C(f) is installed on Model PA-23-250,  
        S/N 27-2000 through 27-3836, and 27-3838 through 27-3943. 
1.5 lb. ----- (+80) 
 (b) Piper Drawing 32734.  Required and eligible only when Item  
        113C(e), 113C(f), or 113C(h) is installed on Model PA-23-250,  
        S/N 27-3837, 27-3944 through 27-4916, and 27-7304917 through  
        27-8154030;  and Model PA-E23-250, S/N 27-3944 through 27- 
       4916, and 27-7304917 through 27-8154030. 
1.5 lb. ----- (+80) 
 (c) Piper Drawing No. 32858-2.  Required and eligible only when  
        Item 113C(g) or 113C(i) is installed. 
1.5 lb. ------ (+80) 
615. Piper Electric Trim installed in accordance with: .4 lb ----- (+176) 
 (a) Piper Drawing 31660.  NOTE 2(y) placard required.  Eligible only 
        on Model PA-23-250, S/N 27-2505 through 27-3826, 27-3838  
        through 27-3943;  Model PA-23-235;  and Model PA-E23-250,  
        S/N 27-2505 through 27-3943.  Not eligible when Item 411(a),  
        411(b), or 412(a) is installed. 
   
 (b) Piper Drawing 32765 (14v); 32765-2 (28v), or 32765-3 (28v).  
 . 
  
 NOTE 2(y) placard required.  Eligible only on Model PA-23-250, 
 S/N 27-3837, 27-3944 through 27-4916, and 27-7304917 through 
 27-8154030;  and Model PA-E23-250, S/N 27-3944 through 27- 
       4916, and 27-7304917 through 27-8154030.  Not eligible when  
       Item 412(b), 414, 415, 416, or 417 is installed. 
  .4 lb ----- (+176) 
616.  Piper Radio Coupler installed in accordance with:    
 (a) Piper Drawing 30990, 31670, or 25678.  Eligible only on Model 
   
   
 PA-23-250, S/N 27-2505 through 27-3836, 27-3838 through 27- 
        3943; and Model PA-E23-250, S/N 27-2505 through 27-3943. 
.51 lb. ----- (+59) 
 (b) Piper Drawing 32751.  Eligible only on Model PA-23-250, S/N 
        27-3837, 27-3944 through 27-4916, and 27-7304917 through 27- 
        8154030;  and Model PA-E23-250, S/N 27-3944 through 27- 
        4916, and 27-7304917 through 27-7554168. 
.51 lb. ----- (+59) 
617. Airspeed Indicator per:    
 (a) Piper Drawing 17419-15, 17419-19, 30353-8, and 30353-14.   
        Required and eligible on Model PA-23-250, S/N 27-2505 through 
 27-4916, and 27-7304917 through 27-7554168 for 5,200 lb.  
 take-off gross weight and configuration, and Model PA-E23-250. 
Negligible 
Wt. 
Change 
----- Eligible 
 (b) Piper Drawing 17419-31 and 30353-24.  Required and eligible on 
  
 Model PA-23-250, S/N 27-7654001 through 27-8154030. 
Negligible 
Wt. 
Change 
----- Eligible

Page 45 of 54 1A10 
   PA-23, 
PA-23-160 
PA-23-235, PA-E23-250 
PA-23-250,  
PA-23-250(NAVY UO-1) 
 Miscellaneous Equipment  (Continued) 
618. Revised Cowl Flaps installed per Piper Drawing 31991.  Eligible and 
required only on Model sPA-23-250 and PA-E23-250, S/N 27-2505 
through 27-4916, and 27-7304917 through 27-8154030 for 5,200 lb. 
take-off gross weight.  Not eligible when Item 113C(f) or 113C(g) is 
installed. 
Negligible 
Wt. 
Change 
----- Eligible 
619. Alternate Static System installed per Piper Drawing 31990.  Eligible on  
Model PA-23-235 only.  NOTE 2(aa) placards required. 
 
Negligible 
Wt. 
Change 
----- Eligible 
620. Alternate Static System installation per Piper Drawing 31989, 32655 
  
or 32655-2.  Eligible on Models PA-23-235, PA-23-250, and PA-E23-
250, S/N 27-2000 through 27-4916, and 27-7304917 through 27-
8154030.  NOTE 2(aa) placards required. 
Negligible 
Wt. 
Change 
----- Eligible 
621. Mixture Monitor installed per Piper Drawing 31994.  Eligible only on 
Model PA-23-235.  Item 401(bd) required. 
2 lb. ----- (+80) 
622. (a) Mixture Monitor installed per Piper Drawing 31995 or 32360.   
        Eligible only on Model PA-23-250, S/N 27-2505 through 27- 
       3836, 27-3838 through 27-3943;  and Model PA-E23-250, S/N  
       27-2505 through 27-3943.  Item 401(bb), 401(bc), or 401(bl)  
       required. 
2 lb. ----- (+80) 
 (b) Exhaust Gas Temperature indicator installed in accordance with 
        Piper Drawing 32744 or 33596-3.  Eligible only on Model PA-23- 
        250, S/N 27-3837, 27-3944 through 27-4916, and 27-7304917  
        through 27-8154030; and Model PA-E23-250, S/N 27-3944  
        through 27-4916, and 27-7304917 through 27-8154030.  Not  
        eligible when Item 113C(g) or 113C(i) is installed. 
2 lb. ----- (+80) 
 (c) Exhaust Gas Temperature Indicator installed in accordance with 
        Piper Drawing 32649 or 33596-2.  Eligible and required only  
        when Item 113C(g) or 113C(i) is installed. 
2 lb. ----- (+80) 
623. AiResearch Turbocharger System Installation installed in accordance 
with Piper Drawing 32016, or AiResearch Instructions, and AiResearch 
Aviation Service Co. STC No. SA909WE, dated June 16, 1965, or 
revision dated September 24, 1965.  Item 113C(f); AiResearch 
Aviation Service Company FAA-approved Airplane Flight Manual 
Supplement for Piper Model PA-23-250, dated June 18, 1965; or 
AiResearch Aviation Service Company FAA-approved Airplane Flight 
Manual Supplement for Piper Models PA-23-250 and PA-E23-250, 
dated September 24, 1965, or revision dated June 29, 1966; and NOTE 
2(t), 2(u), and 2(v) placards required.  Item 402(f) or 402(i) heaters 
eligible with this installation. 
Eligible only on Models PA-23-250 and PA-E23-250, S/N 27-2505 
through 27-4916, and 27-7304917 through 27-7554168. 
Use 
Actual 
Wt. & 
Arm 
----- Eligible 
624. External Power Receptacle installation in accordance with:    
 (a) Piper Drawing 31622.  Eligible only on Model PA-23-250, S/N  
        27-2505 through 27-3836, and 27-3838 through 27-3943;  and  
        Model PA-E23-250, S/N 27-2505 through 27-3943. 
7 lb. ----- (+10) 
 (b) Piper Drawing 32743.  Eligible only on Models PA-23-250 and 
  
  
 PA-E23-250, S/N 27-3837, 27-3944 through 27-4425, and 27- 
       4427 through 27-4573. 
7 lb. ----- (+10)

1A10  Page 46 of 54

Page 47 of 54 1A10 
 
   PA-23, 
PA-23-160 
PA-23-235, PA-E23-250 
PA-23-250,  
PA-23-250(NAVY UO-1) 
 Miscellaneous Equipment  (Continued) 
624. (c) Piper Drawing 33021.  Eligible only on Models PA-23-250 
and  
  
 PA-E23-250, S/N 27-4426, 27-4574 through 27-4916, and 
 27-7304917 through 27-7554168. 
7 lb. ----- (+11) 
 (d) Piper Drawing 33328-2 (28v only).  Eligible on Models PA-23- 
        250 and PA-E23-250 when Item 307 is installed. 
7 lb. ------ (+11) 
625. Optional Flap Position Indicator installed per Piper Drawing 30247 
or  
31548.  Eligible only on Models PA-23-235; PA-23-250 and PA-E23-
250, S/N 27-2505 through 27-3836, and 27-3838 through 27-3943.  
Item 401(bn), 401(bo), 401(bp), or 401(bq) required. 
Negligible 
Wt. 
Change 
----- Eligible 
626. Dual Tachometer installed in accordance with Piper Drawing 25700-3.  
Eligible only on Models PA-23-250 and PA-E23-250, S/N 27-3385 
through 27-4916, and 27-7304917 through 27-8154030. 
.7 lb. ----- (+68.5) 
627. Propeller Synchronizer, installed in accordance with Piper Drawing 
33006.  
  
Eligible on Models PA-23-250 and PA-E23-250, S/N 27-3837, 
27-3944 through 27-4916, and 27-7304917 through 27-7554168. 
7.75 lb. ----- (+78) 
628.  
 
Propeller Synchrophaser installed per Piper Drawing 33249 or 33249-2.  
Eligible only on Models PA-23-250 and PA-E23-250, S/N 27-3837, 
27-3944 through 27-4916, and 27-7304917 through 27-81540430. 
7.45 lb. ----- (+61.9) 
629.  Ballast weight installed per Piper Drawing No. 32330.  Eligible on 
Models PA-23-250 and PA-E23-250, S/N 27-4426, 27-4574 through 
  
27-4780.  See NOTE 5. 
Use 
Actual 
Weight 
----- (+300) 
630. Wing Inspection Light (for ice detection) installed per Piper Drawing 
  
  
28543-2.  Eligible Models PA-23-250 and PA-E23-250, S/N 27-
8054001 through 27-8154030. 
.3 lb. ----- (+97.8) 
 
 
 
NOTE 1 Current weight and balance report including list of equipment included in certified empty weight and loading 
instructions when necessary must be provided for each aircraft at the time of original certification.  The 
certificated empty weight and corresponding C. G. location for Models PA-23-250, PA-E23-250 and  
 PA-23-235, must include unusable fuel, 22 lb. at (+113).  For Model PA-23-250, S/N 27-7554001 through 
27-8154030, the unusable fuel is 40.8 lb.(6.8 gallons) at (+113). 
 
NOTE 2 The following placards must be displayed: 
 (a) On the instrument panel in full view of the pilot: 
  "THIS AIRPLANE MUST BE OPERATED AS A NORMAL CATEGORY AIRPLANE IN 
 COMPLIANCE WITH THE AIRPLANE FLIGHT MANUAL.  ACROBATIC MANEUVERS 
 (INCLUDING SPINS) PROHIBITED." 
 (b) On the baggage compartment door frame of Models PA-23 and PA-23-160 only: 
  "BAGGAGE MAXIMUM 200 POUNDS.  REAR SEATS MAY BE REMOVED AND 340 POUNDS  
  MAXIMUM BAGGAGE DISTRIBUTED ON FLOOR BETWEEN FRONT SPAR AND BAGGAGE  
  COMPARTMENT." 
 (c) On firing ring cover of emergency landing gear extender under left front seat when Item 602 is  
  installed: 
  "EMERGENCY GEAR EXTENDER.  PLACE GEAR SELECTOR TO DOWN POSITION. LIFT  
  COVER, PULL RING." 
 (d) In full view of the pilot when Item 403 is installed (placard not required when Item 108(a) is installed): 
  "DO NOT OPERATE AUTOMATIC PILOT ON SINGLE ENGINE OPERATION."

1A10 Page 48 of 54 
NOTE 2 (e) On fuel control panel between front seats when Item 107(a) is installed: 
(Continued)  "USE AUXILIARY TANK LEVEL FLIGHT ONLY." 
 
 (f) On Scott Oxygen Console when Item 604(a) or 604(b) is installed: 
  "CAUTION:  DO NOT SMOKE WHILE USING OXYGEN." 
 
 (g)  Under both rear windows when Item 605 is installed: 
  "LATCH SEATS FOR TAKEOFF AND LANDING." 
 
 (h) On baggage door frame when Item 605, 609, or 613 is installed: 
  "WHEN FIVE SEATS ARE INSTALLED SEE WEIGHT AND BALANCE FOR BAGGAGE  
  CAPACITY AND LOADING SCHEDULE." 
 
 (i) Omitted. 
 
 (j) Unless otherwise specified, on instrument panel when Item 405, 406(a), or 406(b) is installed and on  
  the window ledge to left of pilot when Item 407 is installed. 
 
  When the AutoControl autopilot is equipped with the Zero Heading Directional Gyro: 
  1. On the face of the Directional Gyro: 
   "MODIFIED FOR PIPER AUTOCONTROL" 
  2. "PIPER AUTOCONTROL  
   TO ENGAGE:  PUSH TURN CONTROL AT D. G. IN AND CENTER KNOBS. 
       THEN PUSH IN ENGAGING CONTROL, ROCKING WHEEL IF  
       NECESSARY. 
   TO TURN:  MOVE TURN CONTROL IN DESIRED DIRECTION 
   FOR HEADING 
      LOCK:   SET D.G. AT 0° 
       PULL OUT TURN CONTROL KNOB 
       USE TRIM KNOB TO MAINTAIN EXACT 0° HEADING." 
  3. On or adjacent to the autopilot engagement control knob: 
   "PUSH TO ENGAGE.  DISENGAGE DURING TAKEOFF AND LANDING." 
  4. On or adjacent to the turn control: 
   "TURN CONTROL.  PULL FOR DIRECTION CONTROL ON 0° HEADING ONLY." 
 
  When the AutoControl autopilot is equipped with the Course Selector Directional Gyro: 
  1. On the face of the Direction Gyro: 
   "PIPER COURSE SELECTOR" 
  2. "PIPER AUTOCONTROL 
   TO ENGAGE:  PUSH TURN CONTROL AT D.G. IN AND CENTER KNOBS. 
       THEN PUSH IN ENGAGING CONTROL, ROCKING WHEEL IF  
       NECESSARY. 
   TO TURN:  MOVE TURN CONTROL IN DESIRED DIRECTION. 
   FOR HEADING  
       LOCK:  SET COURSE SELECTOR AND D.G. AT MAGNETIC HEADING. 
       PULL TURN CONTROL KNOB. 
       USE TRIM KNOB TO MAINTAIN HEADING." 
  3. On or adjacent to the autopilot engagement control knob: 
   "PUSH TO ENGAGE.  DISENGAGE DURING TAKEOFF AND LANDING." 
  4. On or adjacent to the turn control: 
   "TURN CONTROL.  PULL FOR HEADING LOCK." 
  5. On or adjacent to the D.G. caging knob: 
   "PULL TO SELECT HEADING." 
 
 (k) On the instrument panel adjacent to vacuum selector valve on Model PA-23-250, S/N 27-1  
  through 27-2504 and Model PA-23-235, and on Models PA-23 and PA-23-160 when Item 108(a)  
  or 108(b) is installed: 
  "VACUUM CHECK."

Page 49 of 54 1A10 
NOTE 2 (l) On the baggage compartment door frame on Model PA-23-250, S/N 27-1 through 27-1999, 
(Continued)  and Model PA-23-235: 
  "BAGGAGE MAX. 200 LBS.  SEE WEIGHT AND BALANCE FOR BAGGAGE CAPACITY AND  
  LOADING SCHEDULE." 
 
  On the front and rear baggage compartment door frame on Model PA-23-250, S/N 27-2000 through  
  27-4916, and 27-7304917 through 27-8154030 and Model PA-E23-250: 
  "BAGGAGE CAPACITY 150 LB. MAX.  SEE LOADING SCHEDULE." 
 
 (m) Under both center windows on Models PA-23-250, PA-E23-250, and PA-23-235: 
  "LATCH SEATS FOR TAKEOFF AND LANDING." 
 
 (n) On the instrument panel for Models PA-23-250, PA-E23-250, and PA-23-235.  Not eligible for  
  S/N 27-7654001 through 27-8154030: 
  "MINIMUM SINGLE ENGINE CONTROL SPEED 80 MPH." 
 
  On the instrument panel for Model PA-23-250, S/N 27-7654001 through 27-8154030: 
  "MINIMUM SINGLE ENGINE CONTROL SPEED 64 KIAS." 
  "MAXIMUM SPEED FOR LANDING GEAR OPERATION 132 KIAS." 
  "DESIGN MANEUVERING SPEED 131 KIAS." 
 
 (o) Inside rudder on tip rib on Models PA-23-250, PA-E23-250, and PA-23-235 when Item 304(b),  
  304(c), 304(e), 304(f), or 304(g) is installed: 
  "ROTATING BEACON REQUIRED FOR PROPER RUDDER MASS BALANCE.  DO NOT  
  REMOVE." 
  Inside rudder on tip rib on Models PA-23-250 and PA-E23-250 when Item 306(a) or 306(c) is  
  installed: 
  "ANTI-COLLISION LIGHT REQUIRED FOR PROPER RUDDER MASS BALANCE.  DO NOT  
  REMOVE.  SEE SERVICE MANUAL." 
 
 (p) On instrument panel to left of pilot's control wheel when Item 501, 504(a), 504(b), or 504(c) is  
  installed: 
  "PROP DEICER 
  ON 
  OFF" 
  On face of deicer ammeter on top right instrument when Item 501, 504(a), 504(b), or 504(c) is  
  installed: 
  "PROP DEICER" 
 
 (q) Unless otherwise specified, on the instrument panel in front of pilot when Item 408(a), 408(b),  
  409(a), or 409(b) is installed: 
  1. To the right of the control console: 
   "PIPER ALTIMATIC PILOT INSTRUCTIONS 
   LIMITATIONS: 
   1. PILOT OFF DURING TAKEOFF AND LANDING. 
   2. PILOT OFF DURING SINGLE ENGINE OPERATION. 
   NORMAL OPERATION: 
   1. REFER TO FLIGHT MANUAL. 
   EMERGENCY: 
   1. DISENGAGE ALTIMATIC CONTROLS. 
   2. ALTIMATIC PILOT MAY BE OVERPOWERED MANUALLY." 
  2. Below the Directional Gyro: 
   "PULL TO SELECT HEADING" 
  3. Adjacent to the Pitch Control Knob: 
   "UP 
   DN" 
  4. Adjacent to the Pitch Control Knob: 
   "PULL  
   ALT 
   HOLD"

1A10 Page 50 of 54 
NOTE 2 (r) Under the left center window when Item 603(b) is installed and required on Model PA-23-250, S/N 
(Continued)  27-2000 through 27-4916, and 27-7304917 through 27-8154030 and on Model PA-E23-250: 
  "EMERGENCY EXIT RELEASE 
  REMOVE COVER 
  TURN HANDLE 
  PUSH DOOR" 
 
 (s) Unless otherwise specified, on instrument panel in front of pilot when Item 410(a) or 410(b) is  
  installed. 
 
  When the AutoControl autopilot is equipped with the zero heading Directional Gyro: 
  1. On the face of the Directional Gyro: 
   "MODIFIED FOR PIPER AUTOCONTROL" 
  2. On the Console faceplate: 
   "PIPER AUTOCONTROL II 
   TO ENGAGE:  PUSH HEADING LOCK BUTTON TO OUT POSITION. 
       CENTER TURN -TRIM KNOB. 
       ENGAGE ROLL. 
   TO TURN:  MOVE TURN-TRIM KNOB IN DESIRED DIRECTION 
   FOR HEADING: 
   LOCK:   SET D.G. AT 0°. 
       UNCAGE. 
       PUSH HEADING LOCK BUTTON TO IN POSITION. 
       USE TURN-TRIM KNOB TO MAINTAIN EXACT 0 HEADING." 
   "DISENGAGE DURING TAKEOFF AND LANDING." 
  3. On or adjacent to the respective controls: 
   "TURN TRIM 
   HEADING LOCK 
   ROLL 
   PUSH TO ENGAGE" 
 
  When the AutoControl autopilot is equipped with the Course Selector Directional Gyro: 
 ** 1. On the face of the Directional Gyro: 
   "PIPER COURSE SELECTOR." 
  2. On the Console faceplate: 
   "PIPER AUTOCONTROL II 
   TO ENGAGE:   PUSH HEADING LOCK BUTTON TO OUT POSITION. 
        CENTER TURN-TRIM KNOB. 
        ENGAGE ROLL. 
   TO TURN:   MOVE TURN-TRIM KNOB IN DESIRED DIRECTION. 
   FOR HEADING 
    LOCK:    SET D.G. WITH MAGNETIC COMPASS. 
       ** PULL KNOB OUT 
        SELECT DESIRED HEADING. 
        PUSH HEADING LOCK BUTTON TO IN POSITION. 
        USE TURN-TRIM KNOB TO OBTAIN EXACT HEADING." 
   "DISENGAGE DURING TAKEOFF AND LANDING." 
  3. On or adjacent to the respective controls: 
   "TURN TRIM 
   HEADING LOCK 
   ROLL 
   PUSH TO ENGAGE" 
 *** 4. Adjacent to Directional Gyro caging knob: 
   "PULL TO SELECT HEADING" 
  *** Not applicable when Piper 3-inch face gyros are installed. 
 
 (t) On Control Pedestal under engine controls only when Item 113C(d), 113C(e), 113C(f), 113C(g), 
113C(h), or 113C(i) is installed: 
  "MANUAL ALTERNATE AIR PULL ON"

Page 51 of 54 1A10 
NOTE 2 (u) On Control Console between seats only when Item 113C(e), 113C(f), 113C(g), 113C(h) or 113C(i) is 
(Continued)  installed: 
  "COWL FLAPS, CLOSED-OPEN" 
 
 (v) On Control Pedestal, under engine controls on Models PA-23-250 and PA-E23-250, S/N 27-2505 
through 27-4793: 
  "MAIN 
  VOLTAGE 
  REGULATOR SELECTOR 
  AUXILIARY" 
 
  On right side of instrument panel beneath ammeter on Models PA-23-250 and PA-E23-250, S/N  
  27-2505 through 27-4916 and 27-7304917 through 27-8154030: 
  "LT.ALT.-BAT.-RT.ALT." 
 
 (w) When Item 502(a), 502(b), or 502(c) is installed: 
  1. On Switch: 
   "W  SHIELD 
    HEAT" 
  2. On Circuit Breaker: 
   "W SHIELD 
    HEAT" 
  3. When heated glass panel only is installed; on instrument panel: 
   "WARNING - THIS AIRCRAFT IS NOT FULLY EQUIPPED FOR FLIGHT IN ICING 
 CONDITIONS." 
   (See Item 401(at), 401(aw), 401(az), 401(bj), 401(bw), 401(cb), 401(cl), 401(cm), or 401(db) for 
list of equipment required before this placard can be removed). 
 
 (x) Unless otherwise specified, on the instrument panel in front of the pilot when Item 411(a) or 411(b) is 
installed: 
  1. To the right of the Control Console: 
   "PIPER ALTIMATIC PILOT INSTRUCTIONS 
   LIMITATIONS: 
   1. PILOT OFF DURING TAKEOFF AND LANDING. 
   2. PILOT OFF DURING SINGLE ENGINE OPERATION. 
   NORMAL OPERATION: 
   1. REFER TO FLIGHT MANUAL 
   EMERGENCY: 
   1. DISENGAGE ALTIMATIC CONTROLS. 
   2. ALTIMATIC PILOT MAY BE OVERPOWERED MANUALLY." 
 ** 2. Below the Directional Gyro: 
   "PULL TO SELECT HEADING" 
  3. Adjacent  to the Pitch Control Knob: 
   "UP 
   DN" 
  4. Adjacent to the Pitch Control Knob: 
   "PULL 
   ALT 
   HOLD" 
  5. On Left Control Wheel: 
   "NOSE "DOWN 
   TRIM" UP" 
 ** Not applicable when Piper 3-inch gyros are installed. 
 
 (y) On Left Control Wheel when Item 615(a) or 615(b) is installed: 
  "NOSE "DOWN 
  TRIM" UP"

1A10 Page 52 of 54 
NOTE 2 (z) When Item 604(c) 604(d), or 604(e) is installed on only Model PA-23-250, S/N 27-2000 through 
(Continued)  27-4916, and 27-7304917 through 27-8154030, and Model PA-E23-250: 
  1. At each Oxygen Outlet: 
   "NO SMOKING WITH OXYGEN IN USE" 
  2. At the Oxygen Control Knob: 
   "PULL ON, PUSH OFF, OXYGEN" 
  3. On the Rear Baggage Door: 
   "BAGGAGE CAPACITY 105 LB. MAX., INCLUDES 20 LB. ON SHELF.  SEE LOADING 
 SCHEDULE." 
 
 (aa) In view of the pilot on Models PA-23-235; PA-23-250, S/N 27-2000 through 27-4916, and 27-7304917 
through 27-8154030;  and PA-E23-250 aircraft equipped with alternate instrument static air source, Item 
619 or 620: 
 
  1. "INSTRUCTIONS FOR USE OF ALTERNATE STATIC SOURCE. 
   1. In case of static pressure tube malfunctions due to ice or other obstructions close window and  
 actuate alternate static source valve. 
   2. The following airspeeds apply when alternate static source is used: 
 On Model  INDICATOR READS ACTUAL 
 PA-23-235 only per 105 MPH IAS 100 MPH IAS 
 Piper Dwg. 31987-2: 134 MPH IAS 130 MPH IAS 
  157 MPH IAS 150 MPH IAS 
  193 MPH IAS 185 MPH IAS 
    
 On Models PA-23-250 and INDICATOR READS ACTUAL 
 PA-E23-250, S/N 27-2000 100 MPH IAS 100 MPH IAS 
 through 27-4916, and  134 MPH IAS 130 MPH IAS 
 27-7304917 through 27-7554168 153 MPH IAS 150 MPH IAS 
 per Piper Dwg. 31987: 184 MPH IAS 180 MPH IAS 
 
    
 On Model PA-23-250, INDICATOR READS ACTUAL 
 S/N 27-7654001 through  87 KIAS 87 KIAS 
 27-8154030 per Piper 116 KIAS 113 KIAS 
 Dwg. 31987-3: 133 KIAS 130 KIAS 
  160 KIAS 156 KIAS" 
 
  2.  On instrument panel below alternate static source actuating valve: 
   "CLOSED  OPEN 
   ALTERNATE STATIC SOURCE" 
 
 (ab) When Item 412(a) or 412(b) is installed: 
  1. On Left Control Wheel: 
   "NOSE "DOWN 
   TRIM" UP" 
  2. On Left Control Wheel: 
   "AUTOFLITE PUSH OFF" 
  3. On instrument panel adjacent to AUTOFLITE Control: 
   "AUTOFLITE ON/OFF TRIM" 
 
 (ac) When Item 113C(g) or 113C(i) is installed: 
  "ABOVE 21,000 FEET, REDUCE Vne SPEED 5 MPH PER 1000 FEET" 
 
 (ad) On the instrument panel for Models PA-23-250 and PA-E23-250, S/N 27-2505 through 27-4793: 
  "VOLTAGE REGULATOR" 
  "AUX." 
  "MAIN"

Page 53 of 54 1A10 
NOTE 2 (ae) When Item 414 is installed: 
(Continued)  1. On Left Control Wheel: 
   "DWN  UP" 
  2. On Left Control Wheel: 
   "A/P   OFF" 
  3. On instrument panel: 
   "AUTOFLITE TRIM 
       L       R" 
 
 (af) On cabin door panel, auxiliary latch: 
  "ENGAGE LATCH BEFORE FLIGHT" 
  (Required and eligible on Model PA-23-250, S/N 27-7654001 and up). 
 
NOTE 3 On Model PA-23, S/N 23-1068, and 23-1152 through 23-1182, eligible for 3,800 lb. maximum weight, the 
following limitations are applicable: 
 
Airspeed Limits   (CAS) Vne Never exceed 227 mph (197 knots) 
 Vno Maximum structural cruise 180 mph (156 knots) 
 Vp Maneuvering 130 mph (113 knots) 
 Vle Landing gear extended 125 mph (109 knots) 
 Vfe Flaps extended 100 mph (  87 knots) 
 
C. G. Range (+95) to (+100) at 3800 lb. 
(Landing Gear Extended) (+89)  to (+100) at 2650 lb. or less 
 Straight line variation between points given. 
 (Moment due to retracting of landing gear - 760 in. -lb.) 
 
 Required Equipment: In addition to the pertinent basic equipment specified in CAR 3, the following items 
of equipment must be installed: Item 1(b), 2(a), 3(a), 101(a), 102(a), 103(b), 105(b), 106(a), 110, 111, 112, 
201(b), 202(a), 205(a), 206, 301(a), 401(q), and 611. 
 
NOTE 4 Balance weights are required on stabilator and rudder of Models PA-23-250 and PA-23-235 to provide the 
following moments: 
 Stabilator -  +152 in.-lb. (Leading edge heavy) 
 Rudder -     -46 in.-lb. (Trailing edge heavy) 
 The net weights listed for the rotating beacons and strobe lights in Items 304, 306(a), and 306(c) include 
balance weight changes as required by the appropriate Piper Installation Drawings.  The installation drawings 
account for differences in weight of the various lights listed in Item 304, 306(a), and 306(c). 
 
NOTE 5 Models PA-23-250 and PA-E23-250, S/N 27-4781 through 27-4916, and 27-7304917 through 27-8154030 
with Lycoming TIO-540-C1A engines (Item 113C(g)) and S/N 27-4426, 27-4574 through 27-4780 with 
Lycoming TIO-540-C1A engines and Piper Service Kit 760-587 are eligible for an extended C.G. range as 
follows: 
 WEIGHT 
POUNDS 
FORWARD LIMIT 
INCHES AFT OF DATUM 
AFT LIMIT 
INCHES AFT OF DATUM 
 For Model PA-23-250   
 5200 99.0 100.5 
 5000 95.6 100.5 
 4630 93.0 100.5 
 3250 85.7 100.5 
    
 For Model PA-E23-250   
 4995 95.6 100.5 
 4630 93.0 100.5 
 3250 85.7 100.5

1A10 Page 54 of 54 
NOTE 6 Any aircraft with a letter prefix on the serial number is not eligible for airworthiness certification in the 
United States. 
 Example:  AR23-XXXXXX. 
 
NOTE 7 Balance requirements for the rudder, stabilator and aileron of Model PA-23-250, S/N 27-7654001 through 
27-785483, and 27-785485 through 27-8054000, are as follows: 
 Stabilator -   2 ± 2 in.-lb. (Leading edge heavy) 
 Rudder -  45 ± 5 in.-lb. (Trailing edge heavy) 
 Ailerons -   4 ± 3 in.-lb. (Trailing edge heavy) 
 
 Balance Requirements for the rudder, stabilator and aileron of Model PA-23-250, S/N 27-7854084, and 
27-8054001 through 27-8154030, are as follows: 
 Stabilator - 155 ± 3 in.-lb. (Leading edge heavy) 
 Rudder -     35 ± 5 in.-lb. (Trailing edge heavy) 
 Ailerons -      4 ± 3 in.-lb. (Trailing edge heavy) 
 
NOTE 8 Model PA-23-250, S/N 27-7654001 through 27-8154030, with Lycoming TIO-540-C1A engine (Item 
 113C(i)) are eligible for an extended C.G. range as follows: 
  
 WEIGHT 
POUNDS 
FORWARD LIMIT 
INCHES AFT OF DATUM 
AFT LIMIT 
INCHES AFT OF DATUM 
 5200 99.0 100.5 
 5000 95.0 100.5 
 4630 93.0 100.5 
 3600 87.6 100.5 
 
NOTE 9 The following serial numbers are not eligible for airworthiness certification in the United States. 
 Model PA-23-250 
 27-7305220, 27-7305221, 27-7305371, 27-7305377, 27-7405371, 27-7405377, 27-7405388, 27-7405396, 
 27-7405398, 27-7405438, 27-7405447, 27-7405451, 27-7504455, 27-7554104, 27-7654022, 27-7654031, 
 27-7654153, 27-7754163, 27-7854057, and 27-7854102. 
 
 
....END....
```

## ADs (77, first 50, in force first)

- [AD 2023-09-09](https://openairdocs.org/ad/2023-09-09): Exhaust Turbine System (Recip) · Aerostar PA-60-600 (Aerostar 600), PA-60-601 (Aerostar 601), PA-60-601P (Aerostar 601P) and 292 more. Effective Jul 17, 2023
- [AD 2022-03-15](https://openairdocs.org/ad/2022-03-15): Fuel Quantity Indicator · Garmin G3X Touch Electronic Flight Instrument System (STC SA01899WI or SA02658SE). Effective Mar 21, 2022
- [AD 2021-25-11](https://openairdocs.org/ad/2021-25-11): Horizontal Stabilizer Structure · Piper PA-23-250. Effective Jan 25, 2022
- [AD 2017-15-05](https://openairdocs.org/ad/2017-15-05): Air Conditioning · Piper PA-23, PA-23-160, PA-23-235 and 3 more. Effective Aug 28, 2017
- [AD 2015-24-05](https://openairdocs.org/ad/2015-24-05): PLACARDS AND MARKINGS; Interior Placards · Piper PA-23-250, PA-24-250, PA-24-260 and 7 more. Effective Jan 12, 2016
- [AD 2009-13-06 R1](https://openairdocs.org/ad/2009-13-06-R1): Doors · Piper PA-23, PA-23-160, PA-23-235 and 16 more. Effective Nov 3, 2011
- [AD 2006-12-07](https://openairdocs.org/ad/2006-12-07): ECi cylinder assemblies · Aerostar AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 386 more. Effective Jul 11, 2006
- [AD 2006-03-08](https://openairdocs.org/ad/2006-03-08): Vacuum pumps · Aero Advantage 14-19, 14-19-2, 14-19-3 and 299 more. Effective Mar 10, 2006
- [AD 2005-18-20](https://openairdocs.org/ad/2005-18-20): "FASTprop" propeller de-icers · Hartzell PHC-C3YF-1RF/F8468A(B,K)-8R constant speed propeller (STC SA00718LA or 17 others). Effective Oct 14, 2005
- [AD 2004-25-16 R1](https://openairdocs.org/ad/2004-25-16-R1): Fuel regulator shutoff valve · Bombardier CL-215-1A10, CL-215-6B11 (CL-215T Variant), CL-215-6B11 (CL-415 Variant) and 64 more. Effective Jun 20, 2005
- [AD 2005-01-19](https://openairdocs.org/ad/2005-01-19): Mode S transponders · GARMIN International GTX 330D, GTX 330, GTX 33D and 830 more. Effective Feb 23, 2005
- [AD 2005-01-10](https://openairdocs.org/ad/2005-01-10): Turbocharger Oil Reservoir · Piper PA-23-235, PA-23-250, PA-23-250 (Navy UO-1) and 1 more. Effective Feb 22, 2005
- [AD 2003-09-13](https://openairdocs.org/ad/2003-09-13): Flap control torque tube assembly · Piper PA-23, PA-23-160, PA-23-235 and 2 more. Effective Jun 23, 2003
- [AD 98-21-21 R1](https://openairdocs.org/ad/98-21-21-R1): Electric Inflatable Door Seals · Cessna 17-30, 17-30A, 17-31 and 267 more. Effective May 1, 2000
- [AD 99-14-01](https://openairdocs.org/ad/99-14-01): AFM - Limitations Section - Icing · Piper PA-23, PA-23-160, PA-23-235 and 21 more. Effective Aug 17, 1999
- [AD 99-05-09](https://openairdocs.org/ad/99-05-09): Induction Air Filter · Piper PA-23-235, PA-23-250, PA-23-250 (Navy UO-1) and 20 more. Effective Mar 19, 1999
- [AD 98-25-02](https://openairdocs.org/ad/98-25-02): Top-mounted Antenna · Bell Helicopter Textron Canada 407, 172, 172A and 243 more. Effective Dec 22, 1998
- [AD 83-22-01 R1](https://openairdocs.org/ad/83-22-01-R1): Fuel Weight Limitations · Piper PA-23-235, PA-23-250, PA-23-250 (Navy UO-1) and 1 more. Effective Nov 25, 1998
- [AD 85-02-05 R1](https://openairdocs.org/ad/85-02-05-R1): Piper P/N s 81090-02, 683-107 Placard Installation · Lavia Argentina PA-25, PA-25-235, PA-25-260 and 32 more. Effective Nov 21, 1997
- [AD 96-21-04](https://openairdocs.org/ad/96-21-04): Hydraulic Hose Inspection · Piper PA-23, PA-23-160, PA-23-235 and 13 more. Effective Dec 10, 1996
- [AD 93-06-02](https://openairdocs.org/ad/93-06-02): Fuel Hose · Integral 24 gallon auxiliary fuel tank in each wing tip (Met-Co Aire STC SA1480WE). Effective May 12, 1993
- [AD 92-13-04](https://openairdocs.org/ad/92-13-04): Fuel Tank Modifications · Piper PA-23 and PA-23-160. Effective Aug 21, 1992
- [AD 88-21-07 R1](https://openairdocs.org/ad/88-21-07-R1): Fuel Filler Compartment · Piper PA-23, PA-23-160, PA-23-235 and 3 more. Effective Aug 22, 1989
- [AD 81-04-05 R1](https://openairdocs.org/ad/81-04-05-R1): Flap-Spar Hinge Attachment · Piper PA-23, PA-23-235, PA-23-250 and 1 more. Effective Feb 11, 1982
- [AD 81-19-04](https://openairdocs.org/ad/81-19-04): Hose Assembly · Rajay Hose Assemblies, 500A, 500B and 87 more. Effective Sep 17, 1981
- [AD 80-26-04 R1](https://openairdocs.org/ad/80-26-04-R1): Rudder Pulley at Cabin Step · Piper PA-23, PA-23-160, PA-23-235 and 2 more. Effective Aug 28, 1981
- [AD 81-15-03](https://openairdocs.org/ad/81-15-03): Engine Inlet Air Filters · Replace existing engine induction air filter (Brackett Aero Filters STC SA693CE or SA71GL). Effective Jul 20, 1981
- [AD 80-18-10](https://openairdocs.org/ad/80-18-10): Fuel Selector Valves · Piper PA-23, PA-23-160, PA-23-235 and 8 more. Effective Sep 8, 1980
- [AD 79-26-01](https://openairdocs.org/ad/79-26-01): Stabilator Skins and Frame · Piper PA-23-250 and PA-23-250 (Navy UO-1). Effective Dec 24, 1979
- [AD 79-11-06](https://openairdocs.org/ad/79-11-06): Landing Gear Selector Lever · Piper PA-23, PA-23-160, PA-23-235 and 3 more. Effective Aug 29, 1979
- [AD 78-25-03](https://openairdocs.org/ad/78-25-03): Hose Assemblies · Piper PA-23-250, PA-28R-180, PA-28R-200 and 11 more. Effective Jan 15, 1979
- [AD 77-23-09](https://openairdocs.org/ad/77-23-09): Fuel Flow · Piper PA-23-250, PA-23-250 (Navy UO-1) and PA-E23-250. Effective Dec 19, 1978
- [AD 78-08-03](https://openairdocs.org/ad/78-08-03): Rudder Hinge Bracket Assembly · Piper PA-23 and PA-23-160. Effective Nov 10, 1978
- [AD 77-09-10](https://openairdocs.org/ad/77-09-10): Electric Trim Switch · Piper PA-23-250, PA-23-250 (Navy UO-1), PA-24-260 and 6 more. Effective May 12, 1977
- [AD 77-01-05](https://openairdocs.org/ad/77-01-05): Strobe NAV Light Wire · Piper PA-23-250 and PA-23-250 (Navy UO-1). Effective Jan 13, 1977
- [AD 76-11-07](https://openairdocs.org/ad/76-11-07): Magnetic Compass Deviations · Piper PA-23-250 and PA-23-250 (Navy UO-1). Effective Jun 4, 1976
- [AD 74-13-03](https://openairdocs.org/ad/74-13-03): Stabilator Attach Bolts · Piper PA-23-235, PA-23-250 (Navy UO-1), PA-24 and 5 more. Effective Apr 30, 1976
- [AD 72-21-07](https://openairdocs.org/ad/72-21-07): Longitudinal Stability · Piper PA-23-250 (Navy UO-1). Effective Apr 29, 1976
- [AD 74-10-01](https://openairdocs.org/ad/74-10-01): Outboard Flap Hinge · Piper PA-23-250 (Navy UO-1). Effective Dec 31, 1975
- [AD 75-11-05](https://openairdocs.org/ad/75-11-05): Glare Shield Panel · Piper PA-23-250 and PA-23-250 (Navy UO-1). Effective May 20, 1975
- [AD 74-22-05](https://openairdocs.org/ad/74-22-05): Full Valve Stem and Cap Nut · Piper PA-23, PA-23-160, PA-23-235 and 2 more. Effective Oct 23, 1974
- [AD 72-14-05](https://openairdocs.org/ad/72-14-05): Engine Exhaust System Stacks · Piper PA-23-250, PA-23-250 (Navy UO-1) and PA-E23-250. Effective Sep 3, 1974
- [AD 72-11-01](https://openairdocs.org/ad/72-11-01): Possible Fire From Fuel Vapor · Piper PA-23-235, PA-23-250 (Navy UO-1) and PA-E23-250 with STC SA179CE or SA867SW. Effective May 19, 1972
- [AD 68-07-04](https://openairdocs.org/ad/68-07-04): Engine Mount · Piper PA-23-250 (Navy UO-1). Effective Apr 11, 1972
- [AD 70-22-05](https://openairdocs.org/ad/70-22-05): Electrical System Modifications · Piper PA-23-250 (Navy UO-1), PA-30, PA-31 and 1 more. Effective Nov 30, 1971
- [AD 71-21-06](https://openairdocs.org/ad/71-21-06): Engine Firewall Flex Duct · Piper PA-23-250 (Navy UO-1). Effective Oct 12, 1971
- [AD 71-18-03](https://openairdocs.org/ad/71-18-03): Left Nose Wheel Door Hinge · Wheel well doors (Apache Modification STC SA598SW). Effective Sep 2, 1971
- [AD 63-26-03](https://openairdocs.org/ad/63-26-03): Tail Area Inspection · Piper PA-23 and PA-23-160. Effective Jul 13, 1971
- [AD 71-12-05](https://openairdocs.org/ad/71-12-05): Electric Trim Switch Modification · Piper PA-23-250 (Navy UO-1), PA-24-260, PA-30 and 5 more. Effective Jun 16, 1971
- [AD 71-12-01](https://openairdocs.org/ad/71-12-01): Engine Control Support Bracket · Piper PA-23, PA-23-160 and PA-23-250 (Navy UO-1). Effective Jun 8, 1971

All 77: https://openairdocs.org/tcds/1A10/ads.md

## Registered aircraft by registry model (OpenAirDocs)

- [Piper PA-23-250](https://openairdocs.org/model/piper-pa-23-250): 894 aircraft (registry code 7102308)
- [Piper PA-23-160](https://openairdocs.org/model/piper-pa-23-160): 188 aircraft (registry code 7102304)
- [Piper PA-23](https://openairdocs.org/model/piper-pa-23): 155 aircraft (registry code 7102302)
- [Piper PA-23-235](https://openairdocs.org/model/piper-pa-23-235): 25 aircraft (registry code 7102306)
- [Piper PA-23-250 (6PCLM)](https://openairdocs.org/model/piper-pa-23-250-6pclm): 5 aircraft (registry code 7102313)
- [Piper PA-23-250 E](https://openairdocs.org/model/piper-pa-23-250-e): 0 aircraft (registry code 7102307)
- [Piper PA-E23-250](https://openairdocs.org/model/piper-pa-e23-250): 0 aircraft (registry code 7102309)

## STCs approved under this data sheet (533, first 50)

- [STC SA02571SE](https://openairdocs.org/stc/SA02571SE): Installation of Garmin G500/G600 TXi Integrated Avionics System (Primary Flight Display, Multi-Function Display, and Engine Indicating System Display).. Garmin International Inc.
- [STC SA01800SE](https://openairdocs.org/stc/SA01800SE): Fabrication and installation of new or replacement of  existing instrument panel lights dimmer control.. TCW Technologies, LLC
- [STC SA01861SE](https://openairdocs.org/stc/SA01861SE): Fabrication and installation of Landing Light Controller. TCW Technologies, LLC
- [STC SA12428CH](https://openairdocs.org/stc/SA12428CH): Installation of the Lycoming Engines Electronic Ignition System (EIS). Lycoming Engines, An Operating Division of AVCO Corporation
- [STC SA02279AT](https://openairdocs.org/stc/SA02279AT): Installation of a Boom Beam bulb, starter, and ballast. Whelen Aerospace Technologies
- [STC SA04837NY](https://openairdocs.org/stc/SA04837NY): Installation of AeroLED's Holdings, LLC., position lights, navigation lights, strobe lights and beacon lights. AeroLED's Holdings, LLC
- [STC SA12406WI](https://openairdocs.org/stc/SA12406WI): Installation of a Garmin AXIS Flight Display System. Garmin International Inc.
- [STC SA04652CH](https://openairdocs.org/stc/SA04652CH): To allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specification. Swift Fuels LLC
- [STC SA02636SE](https://openairdocs.org/stc/SA02636SE): Installation of Garmin GPS 175 Navigation System and GNX 375 Navigation System with ADS-B In/Out Transponder.. Garmin International Inc.
- [STC SA02019SE-D](https://openairdocs.org/stc/SA02019SE-D): Installation of Garmin Model GTN 625/635/650; 725/750 Navigation System. Garmin International Inc.
- [STC SA01147WI](https://openairdocs.org/stc/SA01147WI): Installation of Concorde FLA or VRSLA series batteries in Piper Light Airplanes.. Concorde Battery Corporation
- [STC SA800EA](https://openairdocs.org/stc/SA800EA): Installation of Whelen Anti-Collision, Position, or Anti-Collision/Position  Light System, and applicable associated power supplies. Whelen Aerospace Technologies
- [STC SA02511SE](https://openairdocs.org/stc/SA02511SE): Installation of replacement fuel quantity indicator sending unit(s). CiES Inc.
- [STC SA316SO](https://openairdocs.org/stc/SA316SO): Carburetor ice detector.. LegacySTC.com
- [STC SA02738CH](https://openairdocs.org/stc/SA02738CH): Installation of L-3 Communications Avionics Systems. Acron Aviation Inc.
- [STC SA04046CH PAGE 2](https://openairdocs.org/stc/SA04046CH%20PAGE%202): Installation of L-3 GENESIS  (TM) Electronic Standby Instrument System (ESI-500/MAG-500). Acron Aviation Inc.
- [STC SA04378CH](https://openairdocs.org/stc/SA04378CH): Installation of an engine modified per STC SE04349CH. SureFly Partners Ltd.
- [STC SA01120SE](https://openairdocs.org/stc/SA01120SE): Installation of Door Steward.. Mountain View Aviation LLC
- [STC SA02386AK](https://openairdocs.org/stc/SA02386AK): Replacement of existing landing and/or taxi light reflector and bulbs with Light Emitting Diode (LED) lighting systems. AeroLED's Holding LLC
- [STC SA01757WI](https://openairdocs.org/stc/SA01757WI): To allow the use of UL91 or UL94 (minimum) grade aviation fuel. Swift Fuels LLC
- [STC SA04568CH](https://openairdocs.org/stc/SA04568CH): Installation of the uAvionix tailBeaconX, a tail mounted position light with integrated Automatic Dependent Surveillance - Broadcast (ADS-B) Out and 1090MHz Mode-S transponder functionality. uAvionix Corporation
- [STC SA02658SE](https://openairdocs.org/stc/SA02658SE): Installation of Garmin GI 275 Multi-Function Display System. Garmin International Inc.
- [STC SA00734LA](https://openairdocs.org/stc/SA00734LA): Installation of modified exhaust system.  S/N 27-2505 and up. Aerospace Welding Minneapolis Inc.
- [STC SA02532AT](https://openairdocs.org/stc/SA02532AT): Installation of subject Michelin tires on appropriate aircraft. For Michelin 5, 6, 8, and 10-inch rim diameter tires on General Aviation Aircraft.. Michelin North America Inc.
- [STC SA00148IB](https://openairdocs.org/stc/SA00148IB): Installation of the MT-Propeller Entwicklung GmbH model MTV-12-B-C-F/CF188-53() propeller. MT-Propeller Entwicklung GmbH
- [STC SA1260WE](https://openairdocs.org/stc/SA1260WE): Installation of turbocharged Lycoming O-360-A1A or A1D engines.. TALCO Aviation
- [STC SA2WE](https://openairdocs.org/stc/SA2WE): Installation of fuel pressure warning lights. TALCO Aviation
- [STC SA4-1637](https://openairdocs.org/stc/SA4-1637): Installation of Turbocharged Lycoming 0-320-A or B Series engines. TALCO Aviation
- [STC SA539WE](https://openairdocs.org/stc/SA539WE): Installation of Turbocharged Lycoming IO-540-C1B5 or IO-540- C1C5 engines. TALCO Aviation
- [STC SA840WE](https://openairdocs.org/stc/SA840WE): Installation of Roto-Master (Rajay) Turbo-charged Lycoming IO-540-C4B5 or -C4C5 engines. (PA-E23-250 SN 27-2505 and up). TALCO Aviation
- [STC SA02019WI](https://openairdocs.org/stc/SA02019WI): Installation of the Trig Avionics TX56, TX56A, TX57, or TX57A VHF Nav-Com Radio.. Peregrine
- [STC SA04400NY](https://openairdocs.org/stc/SA04400NY): Installation of the Integrated Back-up Battery System (IBBS). TCW Technologies LLC
- [STC SA01435LA](https://openairdocs.org/stc/SA01435LA): Installation of engines modified with Firewall Forward Technologies LLC modified camshaft. Centri-Lube Technologies LLC
- [STC SA04192NY](https://openairdocs.org/stc/SA04192NY): KFD 900 Primary Flight Display System Additional Functions. Honeywell International Inc
- [STC SA00756DE](https://openairdocs.org/stc/SA00756DE): Installation of Automatic Dependent Surveillance  Broadcast (ADS-B) Out Equipment using a Trig Avionics TT22 Transponder and an approved Global Positioning System (GPS) Position Sensor. Peregrine
- [STC SA11137SC](https://openairdocs.org/stc/SA11137SC): Installation of Plane-Power ALT-FLX alternator. Hartzell Engine Technologies, LLC
- [STC SA1845WE](https://openairdocs.org/stc/SA1845WE): Installation of Vibration Isolation Products (VIP) engine mount P/N VIP-50804-20 on various aircraft as shown on FAA Approved Model List (AML) No. SA1845WE.. FTG Inc.
- [STC SA02987CH](https://openairdocs.org/stc/SA02987CH): Installation of the Electroair Electronic Ignition System. Electroair Acquisition Corporation
- [STC SA04586CH](https://openairdocs.org/stc/SA04586CH): Installation of Electroair Back Up Battery Panel System Control. Electroair Aquisition Corp.
- [STC SA01967WI](https://openairdocs.org/stc/SA01967WI): Use of GAMI G100UL High Octane Unleaded Avgas. General Aviation Modifications Inc.
- [STC SA02203AK](https://openairdocs.org/stc/SA02203AK): Installation of FlightLogic Synthetic Vision Electronic Flight Information System (EFIS-SV).. Genesys Aerosystems Inc.
- [STC SA02444AK](https://openairdocs.org/stc/SA02444AK): Approval of the L-3 Communications NGT 9000/9000R ADS-B system installed. ADS-B Technologies LLC
- [STC SA01818WI](https://openairdocs.org/stc/SA01818WI): Installation of Garmin G5 Electronic Flight Instrument. Garmin International Inc.
- [STC SA09902AC](https://openairdocs.org/stc/SA09902AC): Installation of BendixKing KFD 900 Flight Display System. Honeywell International Inc. (Bendix King)
- [STC SA11174SC PAGE 2](https://openairdocs.org/stc/SA11174SC%20PAGE%202): Installation of BendixKing by Honeywell KSN 770 and KSN 765 WAAS LPV approach capable nav/comm systems. Honeywell International Inc (Bendix King)
- [STC SA1444WE](https://openairdocs.org/stc/SA1444WE): Installation of EDO Model 679-4930 floats and addition of left-hand passenger entry door must be done. Aztec Nomad Inc.
- [STC SA1810WE](https://openairdocs.org/stc/SA1810WE): Installation of left-hand passenger entry door.. Aztec Nomad Inc.
- [STC SA02265SE](https://openairdocs.org/stc/SA02265SE): Installation of a camera housing. Airborne Sensor LLC
- [STC SA10822SC](https://openairdocs.org/stc/SA10822SC): Installation of EFD1000 Primary Flight Display. Aspen Avionics Inc.
- [STC SA00401BO](https://openairdocs.org/stc/SA00401BO): Installation of a SkyTrax100B UAT receiver. Avidyne Corporation

All 533: https://openairdocs.org/tcds/1A10/stcs.md

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